TY - JOUR AU - Tachimori, Yuji PY - 2018 TI - The need of systematic nodal dissection for the future staging and decision making JF - Shanghai Chest; Vol 2 (July 2018): Shanghai Chest Y2 - 2018 KW - N2 - The classification of malignant tumor is based on the anatomical extent of disease assessed with three categories: T categories—the extent of primary tumor, N categories—the absence or presence and extent of regional lymph nodal metastasis, and M categories—the absence or presence of distant metastasis. Nodal involvement is a strong predictor of survival. UR - https://shc.amegroups.org/article/view/4369