Fig. 2From: A pathological complete response by chemotherapy with S-1 and oxaliplatin for a locally advanced duodenal adenocarcinoma in Lynch syndrome: a case reporta Upper gastrointestinal endoscopy revealed a large, hemorrhagic, ulcerative tumor with an irregular border in the second portion of the duodenum. b X-ray radiography showed an ulcerative tumor 4.5 cm in diameter with an irregular borderBack to article page