本文就有关在肺癌诊断中 ,症状与物理学诊断的研究加以介绍。由于肺癌发生的部位不同 ,患者诉说的症状虽然以呼吸道症状为主 ,但是由于癌症的发生部位、病变进展的程度不同 ,其症状也有明显的差别。例如周围型腺癌 ,几乎没有任何呼吸道症状 ,往往是以发生远隔脏器转移出现症状 This article describes research on diagnosis, symptoms, and physical diagnosis of lung cancer. Due to the different sites of lung cancer, the symptoms reported by patients are mainly respiratory symptoms. However, due to the different parts of the cancer and the degree of progression of the disease, the symptoms are also significantly different. Peripheral adenocarcinoma, for example, has almost no respiratory symptoms and is often symptomatic in the presence of distant organ metastases.