Inability to lie flat and still for treatment delivery despite anti-anxiety and/or pain medications
Have the ability to tolerate required SBRT-related procedures (eg: lie flat and hold position for treatment) as determined by the treating physician
Ability to tolerate radiation therapy (e.g. lie flat and hold position for treatment)
Patients unable to lie flat comfortably for  hours
Inability to lie flat on a treatment table for >  minutes
Subjects unable to receive study treatment planning secondary to body habitus or inability to lie flat on the stomach for at least  hour
Subjects unable to receive study treatment planning secondary to body habitus or inability to lie flat on the stomach at length
Ability to tolerate hypofractionated radiation therapy (e.g. lie flat and hold position)
Inability to lie flat for >  hour
The subject is able to lie flat for up to  minutes for imaging studies
Ability to tolerate stereotactic body radiation therapy (e.g. lie flat and hold position for treatment)
Unable to lie flat during or tolerate PET/MRI, PET/CT or SBRT
Patient is unable to lie flat or has respiratory distress at rest.
Inability to tolerate lying flat on treatment table for greater than  minutes
Ability to tolerate stereotactic body radiation therapy (e.g. lie flat and hold position for treatment)
Patients who cannot lie flat for  minutes
Patients must be able to lie flat for at least  minutes and fit on a PET-CT scanner
Claustrophobia and/or inability to lie flat in magnetic resonance imaging (MRI) machine
Unable to lie flat, still or tolerate a PET scan
Unable to lie flat, still or tolerate a PET scan
Unable to lie flat, still or tolerate a PET scan
SUB-STUDY I: Unable to lie flat during or tolerate PET/CT
SUB-STUDY II: Unable to lie flat during or tolerate PET/CT
SUB-STUDY III: Unable to lie flat during or tolerate PET/CT
Inability to lie flat for - minutes
Unable to lie flat, still or tolerate a PET scan
Inability to lay flat for at least  consecutive hours
Unable to lie flat during or tolerate PET/MRI
Patients must be able to lie flat to obtain the functional scans or have blood access for blood samples
Inability to lie flat for the duration of PET/CT and V/Q SPECT/CT (approximately  minutes for each study)
Patients who are unable to lie flat on the imaging systems long enough to permit imaging protocols to be performed
Unable to lie flat during or tolerate PET/CT
Inability to tolerate MRI (e.g., inability to lie flat for >  hour)
Unable to lie flat, still or tolerate a PET/CT scan
Unable to lie flat, still or tolerate a PET scan
Patients must be willing to lie flat on their back in the PET/CT scanner for up to  hours to allow the imaging data to be obtained
Any medical condition which impairs the ability to lie flat and without movement for  minutes (e.g. cough, severe arthritis, etc.)
Patients must be able to lie flat for at least  minutes and fit on PET-CT scanner