中等厚度背部黑色素瘤的广泛局部切除,左腋窝淋巴结前哨淋巴结活检3257 viewsKailan Sierra-Davidson, MD, DPhil1; Ogonna N. Nnamani Silva, MD1; Sonia Cohen, MD, PhD1 1Massachusetts General Hospital General SurgeryOncologic SurgeryMain TextProcedure OutlineTranscript