肺癌的肺外表现复杂多样,尽管临床经验日渐积累和辅助检查日益完善,但以肺外表现为首发症状的肺癌易掩盖真实病情,而易造成漏诊、误诊。近些年来本院共发现以肺外表现为首发临床表现就诊肺 Lung lung cancer complex and diverse performance, in spite of the growing accumulation of clinical experience and auxiliary examination increasingly improved, but the first symptoms of extrapulmonary lung cancer easily conceal the true condition, and easily lead to missed diagnosis, misdiagnosis. In recent years, our hospital found a total of lung performance as the first clinical manifestation of pulmonary performance