Patient with histologically confirmed hypopharyngeal carcinoma on the right. Carcinoma is located in the piriform sinus anterior wall area, extending to the lateral wall and to the lateral part of the aryepiglottic fold. The arytenoid cartilage itself is macroscopically free, vocal fold mobility is not impaired. Corresponding extension on CT. No thyroid cartilage infiltration or infiltration of the rest of the laryngeal skeleton.