Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Interventional
Official Title: A Phase I, Dose Escalation Trial of Endoluminal High Dose Rate Brachytherapy With Concurrent Chemotherapy for Rectal or Anal Cancer in Patients With Recurrent Disease or U
Brief Summary: The purpose of this study is to see what amount of radiation is safe to give to rectal or anal cancer patients who are being treated with a procedure called brachytherapy.