Group I: Localised disease, completely resected: A. Confined to organ or muscle of origin; B. Infiltration outside organ or muscle origin; regional nodes not involved; Group II: Compromised or original resections of three types including: A. Grossly resected tumours with microscopic residual; B. Regional disease, completely resected, in which nodes may be involved and/or extension of tumour into an adjacent organ present; C. Regional disease with involved nodes, grossly resected, but with evidence of microscopic residual; Group III: Incomplete resection or biopsy with gross residual disease; Group IV: Distant metastasis, present at onset. |