According to 8th AJCC TNM classification of carcinoma Gallbladder, minimum number of LN involved in N2?
High-Yield Explanation
8th AJCC (2017) TNM classification of Ca. gall bladder N1 - Metastasis to 1 - 3 regional nodes. N2 - Metastasis to 4 or more regional nodes. M1 - Distant metastasis.