肺原发性恶性淋巴瘤辅助检查阳性率低 ,易误诊误治。临床表现无特异性 ,多为咳嗽 ,血丝痰 ,胸部隐痛 ,胸闷 ,不规则发热等。Ｘ线表现有以下三种 :①肺部圆形、类圆形 ,边缘较光整、清楚 ,密度均匀的肿块影。②边缘模糊淡片状阴影。③表现为一叶或一段实变的大片状致密影 ,内可 The positive rate of primary pulmonary lymphoma assisted examination is low, and it is easy to misdiagnose and mistreatment. No specific clinical manifestations, mostly cough, blood stasis, chest pain, chest tightness, irregular fever and so on. The X-ray findings are as follows: 1 The lungs are round and round, and the edges are brighter, clearer, and have a uniform density. 2 edges are blurred pale shadows. 3 is expressed as a leaf or a solid piece of large, dense shadow