Fig. 4From: A hypothesized TNM staging system based on the number and location of positive lymph nodes may better reflect the prognosis for patients with NSCLCa: Survival of patients with resected stage IA - IIIB NSCLC of the current TNM staging system (P < 0.001). b: Survival of patients with resected stage IA-IIIB NSCLC using the hypothesized TNM staging system (P < 0.001)Back to article page