When a large malignant appearing GI mass is encountered on endoscopy but biopsies show dysplasia or carcinoma in situ, would you recommend additional biopsies or proceed with treatment for invasive cancer?   

I am currently managing two patients (one esophageal and one anal) with this scenario and the referring physicians and patients are reluctant to undergo additional biopsies.



Answer from: Radiation Oncologist at Academic Institution

Answer from: Radiation Oncologist at Community Practice

Answer from: Radiation Oncologist at Academic Institution

Answer from: Radiation Oncologist at Academic Institution