Stage IIB breast cancer. The drawing on the left shows the tumor is larger than 2 cm but not larger than 5 cm and small clusters of cancer cells are in the lymph nodes. The drawing in the middle shows the tumor is larger than 2 cm but not larger than 5 cm and cancer is in 3 axillary lymph nodes. The drawing on the right shows the tumor is larger than 5 cm but has not spread to the lymph nodes.
Stage IIB breast cancer. The tumor is larger than 2 centimeters but not 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 (left panel); OR the tumor is larger than 2 centimeters but not larger than 5 centimeters and cancer is found in 1 to 3 axillary lymph nodes or lymph nodes near the breastbone (middle panel); OR the tumor is larger than 5 centimeters and has not spread to the lymph nodes (right panel).