Stage IIIA breast cancer. The drawing on the left shows no tumor in the breast; cancer is found in 8 axillary lymph nodes. The drawing in the middle shows the tumor is larger than 5 cm and small clusters of cancer cells are in the lymph nodes. The drawing on the right shows the tumor is larger than 5 cm and cancer is in 3 axillary lymph nodes.
Stage IIIA breast cancer. No tumor is found in the breast or the tumor may be any size and cancer is found in 4 to 9 axillary lymph nodes or lymph nodes near the breastbone (left panel); OR the tumor is larger than 5 centimeters and small clusters of cancer cells (larger than 0.2 millimeter but not larger than 2 millimeters) are found in the lymph nodes (middle panel); OR the tumor is larger than 5 centimeters and cancer is found in 1 to 3 axillary lymph nodes or lymph nodes near the breastbone (right panel).