-3 is > 5cms, and T-4 is a tumor of any size growing into the chest wall or skin, including inflammatory breast cancer.#N: No swollen nodes: N-0, some swelling but negative node (not cancerous): N-1a, swelling nodes and positive node (cancerous): N-1b, quite swollen and bunched together: N-2, quite swollen and near the collarbone:N-3.# M: if no cancer cell is found: M-0, cancer cells found: M-1.