肺癌患者一般会出现咳嗽、咯血等呼吸系统症状,如临床上出现一些以肺外表现为主,诊断则较为困难。现将我院3例肺癌误诊分析如下。1 病例介绍 例1 患者,男,57岁,有烟酒嗜好30余年,因右下肢皮肤紫红、肿痛5天来我院,诊断为“血栓性静脉炎”,给予活血化瘀、消炎等治疗,病情略有改善。半月后因咳嗽、咯血急入我院,经检查,结合摄片示 Patients with lung cancer generally experience respiratory symptoms such as cough and hemoptysis. For example, some extrapulmonary manifestations are clinically present, and diagnosis is more difficult. The analysis of misdiagnosis of 3 cases of lung cancer in our hospital is as follows. 1 Case Introduction Case 1 Patient, male, 57 years old, having tobacco and alcohol addiction for more than 30 years, due to skin redness, swelling and pain in the right lower limb 5 days to our hospital, diagnosed as “thrombophageal phlebitis”, given blood circulation, anti-inflammatory treatment The condition improved slightly. Half a month later, due to coughing and hemoptysis, I was admitted to our hospital. After examination, combined with radiographs