Medicine General 894d49a9 Barret's esophagus is commonly associated with one of the following: A Adenocarcinoma B Squamous cell carcinoma C Sarcoma D Gastrointestinal stromal tumor High-Yield Explanation Answer is A (Adenocarcinoma) Barret's esophagus is a premalignant lesion and predisposes to adenocarcinoma of the lower (distal) esophagus.