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I would just want to clarify that Nottingham grading is different from the AJCC staging.
Nottingham histologic grade is based on several parameters as seen in the pathology report. These are tubule formation, nuclear pleomorphism, and mitotic count. There is a corresponding score for each of these parameters. Grade 1 has a score of 3-5 points (low histologic grade, favorable), grade 2 has a score of 6-7 points (intermediate histologic grade, moderately favorable), and grade 3 has a score of 8-9 points (high histologic grade, unfavorable).
On the other hand, the AJCC TNM staging is based on the size of the primary tumor (T), regional lymph node status (N), and distant metastasis (M).
Your mother has a T3N3aMx stage based on her pathology report. This means that the tumor is more than 5 cm in greatest dimension, with metastasis in ipsilateral infraclavicular lymph node/s. Mx is designated when the site of metastasis is still going to be determined. However, you mentioned that there is no distant metastasis (M0) based on her work-ups. Her stage would then be T3N3aM0 or stage IIIC.
Prognosis of breast cancer depends on several factors. These include stage of the disease, tumor size, nodal status, histologic grade, hormone receptor status, Her2Neu status, lymphovascular invasion, etc.
I agree with her present treatment plan (systemic chemotherapy and radiotherapy). At present, breast cancer therapy is rapidly evolving. There are numerous clinical trials in the treatment of breast cancer, with the end point of improving the overall survival.
Sorry. I must have misread your post regarding the stage of your mother’s breast cancer.
T2 means that the tumor is more than 2 cm but not more than 5 cm in greatest dimension.
N3a means that there is metastasis in ten or more axillary lymph nodes, or metastasis to the infraclavicular lymph nodes.
T2N3aM0 is designated as stage IIIC based on the AJCC staging.