Impact of Margin-to-Depth of Invasion Ratio on Oncologic Outcomes in Locally Advanced Oral Cancer Treated With Surgery and Chemoradiotherapy - Ming-Hsien Tsai; Yu-Tsai Lin; Hui-Ching Chuang; Chao-Hui Yang; Tai-Lin Huang; Hui Lu; Wen-Ling Tsai; Chih-Yen Chien; Fu-Min Fang (Clinical and Experimental Otorhinolaryngology, 2026)