Steven Wexner

INTRODUCTION: Due to its rarity, anal adenocarcinoma (AA) does not have a standardized staging system. The tumor (T) stage of an adenocarcinoma arising from the anal canal could be based on depth of invasion, as for rectal adenocarcinoma, or on size, as in anal squamous cell carcinoma…

BACKGROUND: Complex perianal fistulas are a serious complication in patients with Crohn’s disease (CD)…