Fig. 1

Dissected lymph node count and NSCLC. Distribution of the number of DLN in the SEER database (a) and China registry (b). DLN, dissected lymph node; NSCLC, non-small cell lung cancer; SEER, surveillance, epidemiology, and end results.

Dissected lymph node count and NSCLC. Distribution of the number of DLN in the SEER database (a) and China registry (b). DLN, dissected lymph node; NSCLC, non-small cell lung cancer; SEER, surveillance, epidemiology, and end results.