The patient had a panendoscopy with a sample biopsy. This revealed at least a cT2 cN0 glottic carcinoma on the left side with submucosal extension of at least 1 cm to the subglottic and 1 ˝ cm to the supraglottic. ENT mirror examination shows aryfixation and vocal fold paresis on the left side. The tumor grows submucosally. B-scan sonography shows a cN0 neck status. An external CT neck/thorax revealed clinical findings without definite evidence of thyroid cartilage infiltration. Based on the medical history and clinical findings, the above-mentioned procedure was indicated. The patient had sufficient time and opportunity to ask questions about the operation and the procedure.