ocr: Group Descreption Group I Localized disease, completely resected. Regional lymph nodes not involved; lymph node biopsy or dissection is required except for head and neck le- sions. A - Confined to muscle or organ of origin. B Contiguous involvement; infiltration outside the muscle or organ of origin, as through fas- cial planes. This includes both gross inspec- tion and microscopic confrmation of com- plete resection. Any lymph nodes that may be inadvertently removed with the specimen must be negative. If the lymph nodes are in- volved microscopically, the patient is placed in group IIb or IIc ...
