患者男，61岁。于1996年8月6日以右下肢静脉炎人院。患者1994年12月因直肠癌行手术根治术，术后病理示腺癌11级，浸及肌层。手术过程顺利，术后恢复好，未行放化疗。从1996年元月无明显诱因右足背及踝上10cm范围肿胀，皮色紫暗，皮温较对侧为高，可见20多枚黄豆大之瘀斑。曾先 Male patient, 61 years old. On August 6, 1996, the right lower extremity phlebitis hospital. The patient underwent surgical radical resection for rectal cancer in December 1994. His postoperative pathology showed grade 11 adenocarcinoma, infiltrates, and muscular layers. The surgical procedure was smooth and the postoperative recovery was good without radiotherapy and chemotherapy. From January 1996, there was no obvious incentive to swell in the right foot and 10 cm above the diaphragm. The dark skin color was dark and the skin temperature was higher than that of the contralateral side. More than 20 soy beans were visible. Zeng Xian