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近来,UICC 制定了新的肺癌 TNM 分期。新的 TNM 肺癌分期的主要修改点为:①T_1N_1M_0改为第Ⅱ期;②第Ⅲ期分为Ⅲ_A与Ⅲ_B;③转移到对侧肺门、纵隔和同侧及对侧的锁骨上淋巴结,过去定为 M_1而现在定为 N_3;④T_3指包括肿瘤直接浸润到胸壁(包括肺上沟癌),膈肌,纵隔胸膜和心包膜,或中心型癌累及到距隆突2 cm 以内的主支气管,但未直接累及隆突者;⑤T_4指肿瘤累及纵隔或包括心脏大血管、气管、食管和椎体及癌性胸水;⑥凡肿瘤沿上皮向上浸润主支气管,不管肿瘤体积大小均称为 T_1。即便延伸到距隆突2 cm 的早期肺
Recently, the UICC has developed a new lung cancer TNM stage. The main modification points for the new TNM lung cancer staging were: 1T_1N_1M_0 was changed to Phase II; 2 Phase III was divided into III_A and III_B; 3 transferred to the contralateral hilar, mediastinum, and ipsilateral and contralateral supraclavicular lymph nodes. For M_1, it is now defined as N_3; 4T_3 refers to the main bronchus which includes direct tumor infiltration into the chest wall (including supra-pulmonary cancer), diaphragm, mediastinal pleura and pericardium, or central cancer involving 2 cm from the carina, but Those who did not directly involving the carina; 5T_4 refers to the tumor involving the mediastinum or including the great vessels of the heart, trachea, esophagus and vertebral bodies and cancerous pleural effusion; 6 where the tumor infiltrated the main bronchus along the epithelium, regardless of the size of the tumor is called T_1. Even extending to an early lung 2 cm from the carina