患者,女,51岁,因左侧腹痛合并便秘、发热3个月就诊。曾看过家庭医生,诊为“左肾功能不全、肾结石”。患者自觉左腹部有包块。体格检查:患者一般状况好,体温36·2°C,血压155/67mm Hg(1 mm Hg=0·133 kPa),脉搏85次/m in,呼吸18次/m in。血氧饱和度97%。心肺无异常,轻度腹胀,肠 Patient, female, 51 years old, with constipation due to left abdominal pain and fever for 3 months. Have seen a family doctor, diagnosed as “left renal insufficiency, kidney stones.” Patients consciously left abdomen mass. Physical examination: The patient was generally in good condition with a body temperature of 36.2 ° C, a blood pressure of 155/67 mm Hg (1 mm Hg = 0.133 kPa), a pulse of 85 beats / min, and a breath of 18 beats / min. Oxygen saturation of 97%. No abnormal heart and lungs, mild abdominal distension, bowel