Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Patients who are sexually active and not willing/able to use medically acceptable forms of contraception Women of childbearing potential and men who are sexually active should be willing and able to use medically acceptable forms of contraception during the trialtreatment on this study and for up to days after completion of all treatment to prevent pregnancy or fathering a child. Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception during treatment and for days after the completion of all treatment; this exclusion is necessary because the treatment involved in this study may be significantly teratogenic. Women who are breastfeeding are also excluded. Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Women of childbearing potential should be willing and able to use medically acceptable forms of contraception during the trial Pregnancy or women of childbearing potential who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnant or lactating women or women of childbearing potential and male participants who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential who are sexually active and not willing/able to use medically acceptable forms of contraception during protocol treatment or for at least months following treatment Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnant women, women of childbearing potential not willing to use contraception, men who are sexually active and not willing/able to use medically acceptable forms of contraception, and breast-feeding women not willing to stop breastfeeding during the study Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception; this exclusion is necessary because the treatment involved in this study may be significantly teratogenic Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnant women, or women of childbearing potential who are sexually active and not willing/able to use medically acceptable forms of contraception for the entire study period and for up to weeks after the study Pregnant women, or women of childbearing potential who are sexually active and not willing/able to use medically acceptable forms of contraception for the entire study period and for up to weeks after the study Pregnant women, or women of childbearing potential who are sexually active and not willing/able to use medically acceptable forms of contraception for the entire study period and for up to weeks after the study treatment Patients who are sexually active and not willing/able to use medically acceptable forms of barrier contraception. Patients who are sexually active and not willing/able to use medically acceptable forms of contraception Women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnant women, or women of childbearing potential who are sexually active and not willing/able to use medically acceptable forms of contraception for the entire study period and for up to weeks after the study treatment Patients who are sexually active must use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception during treatment and for months after the last dose of cetuximab or MEDI (durvalumab); this exclusion is necessary because the treatment involved in this study may be significantly teratogenic; women who are breastfeeding are also excluded Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential, women who cannot discontinue breastfeeding and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnant or nursing women or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception during the trial and for months after completion of treatment Women of childbearing potential who are sexually active should be willing and able to use medically acceptable forms of contraception throughout the treatment phase of the trial and for up to months following the last administration of study treatment; men who are sexually active must be willing and able to use medically acceptable forms of contraception throughout the treatment phase of the trial and for months after completion of M (VX-) administration Women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy, nursing females or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception; this exclusion is necessary because the treatment involved in this study may be significantly teratogenic. Pregnant women or sexually active patients not willing or able to use medically acceptable forms of contraceptive method while on treatment. Pregnancy or women of childbearing potential not willing/able to use medically acceptable forms of contraception during protocol treatment or for at least months following treatment Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Men who are sexually active with a woman of child-bearing potential and not willing/able to use medically acceptable forms of contraception (e.g., surgical, barrier, medicinal) during protocol treatment and during the first months after cessation of protocol treatment Patients who are sexually active and not willing/able to use medically acceptable forms of contraception Patients who are sexually active and not willing/able to use medically acceptable forms of barrier contraception. Women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception One of the following acceptable forms of contraception is required: Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Patient must not be pregnant or breastfeeding; if a woman of childbearing potential, patient must agree to use medically acceptable forms of contraception Pregnant or lactating women or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Women of childbearing potential and male participants who are sexually active and not willing/able to use medically acceptable forms of contraception; this exclusion is necessary because the radiation treatment involved in this study is potentially teratogenic Women (of childbearing potential) and men who are sexually active and are not willing/able to use a medically acceptable form of contraception throughout the treatment and days thereafter Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception; this exclusion is necessary because the treatment involved in this study may be significantly teratogenic Pregnant women, or women of childbearing potential who are sexually active and not willing/able to use medically acceptable forms of contraception for the duration of study treatment and for up to weeks following SBRT Women of childbearing potential who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception. Pregnant or lactating women, or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Women of childbearing potential and male participants who are sexually active and not willing/able to use medically acceptable forms of contraception; this exclusion is necessary because the radiation treatment involved in this study is potentially teratogenic Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Pregnant women are excluded from this study; breastfeeding should be discontinued if the mother receives ferumoxytol while nursing; men who are sexually active and not willing/able to use medically acceptable forms of contraception are also excluded from this study women of childbearing potential, or men who are able to father a child, unwilling to use a medically acceptable method of contraception during the trial Women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception Sexually active and not willing/able to use medically acceptable forms of contraception (hormonal or barrier method of birth control, abstinence) upon entering the study and for days after injection of LUM. Subjects who are sexually active and not willing/able to use medically acceptable forms of contraception upon entering the study. Subjects who are sexually active and not willing/able to use medically acceptable forms of contraception upon entering the study.