原发性肺癌３例误诊分析莆田市涵江医院林永刚原发性肺癌是常见的恶性肿瘤，其临床症状多样。以肺胸症状为首发者，多能及时检查而获诊断，而以肺外症状为首发者，因表现不典型，极易误诊，现报告３倒。例１，女，５２岁。游走性多关节疼痛４个月，除肩、时、膝、踝等大关... Misdiagnosis of primary lung cancer in 3 cases Hanjiang Hospital, Putian City Lin Yonggang Primary lung cancer is a common malignancy, and its clinical symptoms are diverse. People with lung and chest symptoms as the first, many can be diagnosed in a timely manner, and with extrapulmonary symptoms as the first person, because the performance is not typical, it is easy to misdiagnose, and now report 3 down. Example 1, female, 52 years old. Movable multiple joint pain for 4 months, except for shoulders, hours, knees, shins, etc...