**9.3 Case3: 72-year-old male, hypopharynx cancer, rT3N0M0**

Chemoradiotherapy for hypopharyngeal cancer (T2NM0) was performed 10 years before TOVS. The recurrent lesion was located from the right side of postcricoid to left side posterior wall, esophageal inlet (**Figure 8**).

#### **Figure 8.**

*Case 3. a. Observation with normal light, b. observation with NBI, c. marking of the mucosal incision line, d. resection right side of postcricoid to esophageal inlet, e. removal of resected en block specimen, f. view after resection: More than half of the posterior wall and the esophageal inlet were resected.*
