Makoto Adachi1, Ikuo Hyodo2, Yasuhisa Hasegawa3. 1. Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Unit 0123, Houston, TX 77030 USA. 2. Department of Plastic and Reconstructive Surgery, Aichi Cancer Center Hospital, 1-1 Kanokoden, Chikusa-ku, Nagoya, Aichi 464-8681 Japan. 3. Department of Head and Neck Surgery, Aichi Cancer Center Hospital, 1-1 Kanokoden, Chikusa-ku, Nagoya, Aichi 464-8681 Japan.