- Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection; unstable angina and/or congestive heart failure within the last 6 months; transmural myocardial infarction within the last 6 months; New York Heart Association grade II or greater congestive heart failure requiring hospitalization within 12 months prior to registration; history of stroke, cerebral vascular accident or transient ischemic attack within 6 months; serious and inadequately controlled cardiac arrhythmia; significant vascular disease (e.g.;, high risk aortic aneurysm, history of aortic dissection) or clinically significant peripheral vascular disease; evidence of bleeding diathesis or coagulopathy; serious or non-healing wound, ulcer, or bone fracture or history of abdominal fistula, gastrointestinal perforation or intra-abdominal abscess, major surgical procedure or significant traumatic injury within 28 days prior to registration; bacterial or fungal infection requiring intravenous antibiotics at the time of registration; chronic obstructive pulmonary disease exacerbation or other respiratory illness requiring hospitalization or precluding study therapy at the time of registration; active connective tissue disorders, such as lupus or scleroderma, that in the opinion of the treating physician may put the patient at high risk for radiation toxicity; any other major medical illnesses or psychiatric impairments that in the investigator's opinion will prevent administration or completion of protocol therapy; cognitive impairment that precludes a patient from acting as his or her own agent to provide informed consent.