Induction of anesthesia and intubation by the anesthesia colleagues. Then entry with the 0° scope and inspection of the trachea and glottic plane, no abnormalities here. Next, the flexible oesophagoscope was used to view the trachea and glottis, with no abnormalities on either side. Next, the pharynx and larynx are inspected with the small bore tube. No abnormalities here either. Then insertion of the covered mouth guard without spandex and inspection of the oral cavity. In the oral cavity, the tongue margin carcinoma described above and a leukoplakia in the anterior part of the anterior floor of the mouth on the left side were found. First, the leukoplakia is removed and then the tumor is palpated again. The tumor is relatively superficial overall, but has palpable tumor cones into the tongue. Then snare the tongue and start resecting the tumor using a monopolar needle, safety distance 1.5 cm. Then careful resection using a monopolar needle or bipolar forceps and scissors. The specimen is removed and placed on cork and sent for final histology. Bleeding from the depths is stopped and the anterior part of the resection cavity is sutured so that the tip of the tongue does not gape open. Wait for the histology. If non-in-sano, please resect. Otherwise, present the patient to the tumor conference.