The NCI Dictionary of Cancer Terms features 7,800 terms related
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Stage II is divided into stages IIA and IIB. In stage IIB, the tumor is (1) larger than 2 centimeters but not larger than 5 centimeters. Small clusters of breast cancer cells (larger than 0.2 millimeter but not larger than 2 millimeters) are found in the lymph nodes; or (2) larger than 2 centimeters but not larger than 5 centimeters. Cancer has spread to 1 to 3 axillary lymph nodes or to the lymph nodes near the breastbone (found during a sentinel lymph node biopsy); or (3) larger than 5 centimeters. Cancer has not spread to the lymph nodes.