Women and men of all races and ethnic groups are eligible for this trial For all groups: Men and women of all ethnic groups are eligible for this trial. Patients will not be excluded on the basis of sex, racial or ethnic background All races and ethnic groups are eligible for this study INCLUSION CRITERIA FOR STRATUM C: All races and ethnic groups are eligible for this study Both men and women of all races and ethnic groups are eligible for this study All races and ethnic groups are eligible for this trial All races and ethnic groups are eligible for this trial Women and men of all races and ethnic groups are eligible for this trial Of any ethnic or racial group Both men and women of all races and ethnic groups are eligible for this trial There are no ethnic restrictions Women of all races and ethnic groups are eligible for this trial Patients will not be excluded on the basis of sex, racial or ethnic background Patients may be of either gender or any ethnic background Patients will not be excluded on the basis of sex, racial or ethnic background Men and women from all ethnic and racial groups Both men and women of all races and ethnic groups are eligible for this trial Both men and women of all races and ethnic groups are eligible for this trial Subjects of either sex, of all races and ethnic groups, and ?18 years of age Both men and women of all races and ethnic groups are eligible for this trial Both men and women of all races and ethnic groups are eligible for this trial Women of all races and ethnic groups are eligible for this trial Patients will not be excluded on the basis of sex, racial or ethnic background Men and women of all races and ethnic groups are eligible for this trial. All races and ethnic groups are eligible for this study Subjects may be of any ethnic background Patients may be of any ethnic background Women of any racial or ethnic group Male or female patients and no race-ethnic restrictions Men and women from all ethnic and racial groups Men of all ethnic groups are eligible for this trial; efforts will be made to include minority groups and all representative ethnicities and races in the community serviced by Roswell Park Cancer Institute (RPCI) All races and ethnic groups are eligible for this study All races and ethnic groups are eligible for this trial Patients will not be excluded on the basis of sex, racial or ethnic background No race-ethnic restriction Male and female and all ethnic groups are eligible The study will be nonselect with respect to the racial or ethnic background of the subjects; the racial/ethnic composition of the study sample will be representative of the patient population from which it will be drawn The ethnic and racial composition of the subject population will reflect the composition of subjects seeking care at The Ohio State University and James Cancer Hospital and Solove Research Institute; no special groups such as prisoners, children, the mentally disabled, or groups whose ability to give voluntary informed consent may be in question will be used for this study There will be no gender/race-ethnic restrictions Patients of both genders, and all ethnic groups, under the care of a SJCRH physician Any ethnic group Subjects of all races and ethnic origins will be recruited Any racial or ethnic origin There are no ethnic restrictions Patients of any ethnic background No restrictions based on gender or racial/ethnic background Members of all races and ethnic groups are eligible for this trial; subjects will be approximately representative of the demographics of the referral base for the participating institutions Both men and women and members of all races and ethnic groups will be included Both men and women, and members of all races and ethnic groups are eligible for this trial; subjects will be approximately representative of the demographics of the referral base for the participating institutions Both men and women and members of all races and ethnic groups are eligible for this trial Members of all races and ethnic groups are eligible for this trial Members of all races and ethnic groups will be included Members of all races and ethnic groups are eligible for this trial Members from all ethnic and race groups are eligible for this study 2. Age >= 18 years at time of informed consent. Both men and women and members of all races and ethnic groups will be included. Both men and women and members of all races and ethnic groups are eligible for this trial Both men and women and members of all races and ethnic groups are eligible for this trial Both men and women and members of all races and ethnic groups are eligible for this trial Inclusion of women and minorities: both men and women and members of all races and ethnic groups are eligible for this trial Men and members of all ethnic groups are eligible for this trial Members of all genders, races and ethnic groups are eligible for this trial Members of all races and ethnic groups will be included Members of all races and ethnic groups are eligible for this trial Members of all races and ethnic groups are eligible for the study Members of all races and ethnic groups will be included Members of all races and ethnic groups will be included Members of other ethnic minorities will not be included Members of all races and ethnic groups are eligible for this trial