Neoplasm of colon regional lymph node staging category N1: Metastasis in 1-3 regional lymph nodes
neoplasm of colon regional lymph node staging category n1: metastasis in 1-3 regional lymph nodes
Neoplasm of colon regional lymph node staging category N1: Metastasis in 1-3 regional lymph nodes
neoplasm of colon regional lymph node staging category n1: metastasis in 1-3 regional lymph nodes