我院1990年至1996年间收治的经病理证实40岁以下青年肺癌46例，60岁以上的老年肺癌96例。本文就两者的临床表现、X线特点和病理类型加以分析比较。临床资料，一、一般资料青年组46例中，男35例，女11例，男：女一3．18：1；Zo岁以下3例，21～30岁12例，31～40岁31例，平均年龄3 In our hospital from 1990 to 1996, pathologically confirmed 46 cases of lung cancer in young people under 40, and 96 cases of lung cancer in elderly patients over 60 years of age. This article analyzes and compares the clinical manifestations, X-ray features, and pathological types of the two. Clinical data, I. General information Among the 46 young patients in the youth group, 35 were males and 11 were females; males: females were 3.18:1; 3 were younger than Zo, 12 were from 21 to 30 years old, and 31 were 31 to 40 years old. , average age 3