Indications for elective neck dissection in cT1N0M0 oral cavity cancer according to the AJCC eight edition: A nationwide study

Chih‐Yen Chien, Cheng‐Ping Wang, Li‐Yu Lee, Shu‐Ru Lee, Shu‐Hang Ng, Chung‐Jan Kang, Jin‐Ching Lin, Shyuang‐Der Terng, Chun‐Hung Hua, Tsung-Ming Chen, Wen‐Cheng Chen, Yao‐Te Tsai, Chi‐Ying Tsai, Ying‐Hsia Chu, Chien-Yu Lin, Kang‐Hsing Fan, Hung‐Ming Wang, Chia‐Hsun Hsieh, Chih‐Hua Yeh, Chih‐Hung Lin, Chung‐Kan Tsao, Nai-Ming Cheng, Tuan‐Jen Fang, Shiang‐Fu Huang, Li‐Ang Lee, Ku‐Hao Fang, Yu-Chien Wang, Wan‐Ni Lin, Li‐Jen Hsin, Tzu‐Chen Yen, Yu‐Wen Wen, Chun‐Ta Liao