- Patients with co-morbid disease that, in the opinion of the investigator, makes combined chemo-radiotherapy inadvisable (e.g. New York State Grade III-IV heart disease, myocardial infarction in the last 4 months, uncontrolled infection, uncontrolled diabetes, uncontrolled hypertension, uncontrolled psychiatric illness or organ allograft(s) on immunosuppressive therapy).