Ability to lie still for imaging Able to lie within the PET scanner for at least minutes while undergoing scanning Inability to lie still for the entire imaging time (due to cough, severe arthritis, etc.) All patients must be able to lie supine Patient must be able to lie still in full body cast for minutes Able to lie supine for approximately minutes, the anticipated duration of each treatment session Contraindication to SBRT (this includes the inability to cooperate with any aspect of SBRT: such as the inability to lie still and breathe reproducibly) Contraindication to SBRT or TEMLA; this includes the inability to cooperate with any aspect of SBRT such as the inability to lie still and breathe reproducibly Inability to lie still for the entire imaging time (due to cough, severe arthritis, etc.) Inability to lie on the TomoTherapy treatment table for one hour Inability to lie prone or supine for one hour Inability to lie supine in a full body cast for approximately minutes, the anticipated duration of each treatment session Unable to lie on the back for an hour All patients must be able to lie supine Patients must be able to lie still for a . hour PET scan Ability to lie still during DCE-MRI which may last for up to minutes Inability to lie in the scanner for minutes Patients not capable of undergoing a PET/MRI study due to weight, claustrophobia, or inability to lie still for the duration of the exam Ability to lie still for PET scanning Patients unable to lie prone for minutes for imaging Patients who are unable to lie supine for a biopsy Inability to lie still for the entire imaging time (approximately minutes) Ability to lie still for PET scanning Inability to lie still for PET scanning Are in good health (other than having breast cancer) and can lie still in a prone position for minutes inside MRI scanner Inability to lie still for the entire imaging time Inability to lie in the PET/CT scanner for the time required for scanning, up to hour and minutes (min) at a time and possibly with arms raised above the head for lung imaging Inability to lie still for the entire imaging time (e.g. cough, severe arthritis, etc.) Inability to lie still for the duration of the scanning procedure Inability to lie in the scanner for minutes Ability to lie motionless for up to minutes Patient Volunteers: Ability to lie motionless for up to minutes An inability to lie still for the tests and can lie still in a prone position for minutes in an MRI scanner. Patients who are not able to lie supine with arms raised, and cooperate with breathholding instructions Ability to lie still for PET scanning Inability to lie still for PET scanning Inability to lie still for the entire imaging time (e.g. cough, severe arthritis, etc.) Inability to lie comfortably on a bed inside the scanner for minutes as assessed by physical examination and medical history (e.g. back pain, arthritis) Able to lie still for PET and MRI scanning Ability to lie still for PET scanning Inability to lie still for PET scanning Inability to lie still for the entire imaging time (e.g. cough, severe arthritis, etc.) Inability to lie still for the entire imaging time Inability to lie still for the entire imaging time (e.g. cough, severe arthritis, etc.); although at Mission Bay Hospital pediatric patients may be sedated per clinical protocol Inability to lie still for the entire imaging time (e.g. cough, severe arthritis, etc.) Ability to lie still for PET scanning Inability to lie still for PET scanning Inability to lie still for the imaging study Inability to lie still for the entire imaging time The subject is unable to lie still for ~ minutes Inability to lie still for the entire imaging time Physical inability to undergo a scanning procedure (e.g., inability to lie flat for the required period of time three sessions of roughly an hour each with ten minutes rest in between) Inability to lie still for imaging