In the patient, a cT2 cN2b G2 oral cavity carcinoma in the area of the right edge of the tongue was histologically confirmed during a panendoscopy <2013>. In addition, moderately differentiated circumscribed esophageal carcinoma. After endoscopic mucosal resection of the esophageal carcinoma by the colleagues in internal medicine, the indication for primary surgical treatment of the oral cavity carcinoma was made. Preoperative imaging revealed a cT2-cT3 cN2b oral cavity carcinoma on the right.