Methods: Through right minimally incision and transected sternal incision, 23 patients underwent mitral or aortic valve replacement.
方法：采取右侧小切口及横断胸骨小切口，对23例二尖瓣、主动脉瓣病变患者行瓣膜置换术。
Methods In 7 cases, nasal endoscopy-assisted partial thyroidectomy was accomplished, through skin incision above sternal notch, by using a neck skin lifting method.
方法采用颈部皮瓣悬吊法，经胸骨切迹上切口，鼻内镜辅助下行甲状腺部分切除术7例。
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