Breast Surgery — MCQs

Q: A 43 years presented with 4.6cm breast lump with ipsilateral mobility present, Axillary LN without distant metastasis, which stage does it belongs to?

Stage 2b. ***Stage 2b*** - This stage is defined by a tumor size of >2 cm but ≤5 cm with mobile axillary lymph nodes (T2, N1, M0). - The presentation of a **4.6 cm lump** (T2) and **ipsilateral mobile lymph nodes** (N1) with **no distant metastasis** (M0) fits the criteria for T2N1M0, which is classified as Stage 2B. *Stage 2a* - This stage typically corresponds to T0, N1, M0 or T1, N1, M0; a **4.6 cm tumor** exceeds the T1 size classification. - It does not account for the tumor size being greater than 2 cm, as T2 stage starts at >2 cm. *Stage 3c* - This stage represents **locally advanced breast cancer** and includes any tumor size with metastases to infraclavicular, supraclavicular, or specific axillary node levels (N3). - The patient has no evidence of extensive nodal involvement or **skin involvement** typical of locally advanced disease. *Stage 4* - This stage is reserved for patients with **distant metastasis** (M1), such as spread to bones, lungs, liver, or brain. - Since the patient has **no distant metastasis** as noted in the prompt, this classification is incorrect.

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