Regional Cancer Center ~ Erie, PA

stage II breast cancer

Stage II is divided into stages IIA and IIB. In stage IIA, (1) no tumor is found in the breast, but cancer is found in the axillary lymph nodes (the lymph nodes under the arm); or (2) the tumor is 2 centimeters or smaller and has spread to the axillary lymph nodes; or (3) the tumor is larger than 2 centimeters but not larger than 5 centimeters and has not spread to the axillary lymph nodes. In stage IIB, the tumor is either (1) larger than 2 centimeters but not larger than 5 centimeters and has spread to the axillary lymph nodes; or (2) larger than 5 centimeters but has not spread to the axillary lymph nodes.