Results: The thickness of thyropharyngeal muscle in pharynx posterior wall was reduced.
结果：甲咽肌在咽后壁的厚度由上而下逐渐减小；
Pharynx and radix linguage were repaired with single and double pedicle sternocleidomastoid flap in the lateral posterior wall of pharynx or pyriform apertue.
为探讨简便易行、损伤小的下咽成形方法，选择下咽侧后壁癌或梨状窝外侧壁肿瘤，用患侧单、双蒂胸锁乳突肌皮瓣修补咽、舌根缺损。
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