N_2肺癌的预后不佳,对N_2肺癌尚无规范的治疗方案。本文对一组各种病理类型N_2肺癌手术治疗的近期疗效进行分析。本组N_2肺癌29例,肿瘤T_3及大于T_3以上20例,手术切除17例,切除率为58.6％,探查病例中,T_3以上占83％。术式以肺叶切除为主。随访:一年生存率58.8％(10/17),三年生存率28.5%(2/7)。并就N_2肺癌的术前诊断、术式选择、预后不佳的原因进行讨论。 The prognosis of N_2 lung cancer is poor, and there is no standardized treatment plan for N_2 lung cancer. This article analyzes the short-term efficacy of a series of pathological types of N_2 lung cancer surgery. Twenty-nine patients with N 2 lung cancer in this group had T 3 tumors and 20 or more T 3 tumors. Surgical resection was performed in 17 patients. The resection rate was 58.6%. Among the probe cases, T 3 or above accounted for 83%. The surgical method is mainly lobectomy. Follow-up: The one-year survival rate was 58.8% (10/17), and the three-year survival rate was 28.5% (2/7). The preoperative diagnosis, surgical selection and poor prognosis of N 2 lung cancer were discussed.