原发性大网膜脂肪肉瘤１例报告上海市第七人民医院外科林国和大网膜脂肪肉瘤是一种发展较为缓慢的恶性肿瘤，临床上较为罕见，术前很易误诊，现将我院近期收治１例报告如下。患者男，２９岁。以下腹部自觉肿块１０天，伴腹胀、乏力、尿频、尿急、大使变细入院。体检：腹部... Primary omental liposarcoma: a report of a case of Shanghai Seventh People’s Hospital Surgical Lin Guo and omental liposarcoma is a relatively slow development of malignant tumors. It is rare in clinical practice. It is easily misdiagnosed before surgery. The hospital recently admitted a case report as follows. Male patient, 29 years old. The following abdomen was consciously lumps for 10 days, with abdominal distension, fatigue, urinary frequency, urinary urgency, and intensive ambassadors admitted to the hospital. Physical examination: abdomen...