患者,男性,35岁,住病号A0079970。主因右下腹肿物2个月入院。二月前,无意中发现右下腹肿块,如儿头大小,无消化系任何症状,体重减轻不明显。查体,右下腹肿物15×12cm,较硬、光滑、边界不甚清楚、上下活动度大、左右活动度小。无腹水。血沉100mm/第一小时。A/G=3.8/1.5,钡灌肠示:升结肠可见15×13cm肿物,边光滑,近端 Patient, male, 35 years old, living in A0079970. Mainly due to the right lower quadrant tumor was admitted to hospital for 2 months. Before February, the right lower abdomen was inadvertently found, such as the size of the head, no symptoms of digestive system, weight loss is not obvious. Physical examination revealed a mass of 15 x 12 cm in the right lower abdomen, which was hard, smooth, with poorly defined borders, high up-and-down motion, and low left-right activity. No ascites. ESR 100mm/first hour. A/G = 3.8/1.5, barium enema: 15 × 13cm tumor seen in ascending colon, smooth side, proximal