Introduction:

only a few studies provide solid knowledge about the usefulness of sanitary mastectomy with axillary dissection I and II in advanced breast cancer.

Objective:

to characterize the behavior of patients with sanitary mastectomy with axillary dissection I and II locally advanced breast cancer at the “María Curie” Provincial Teaching Hospital.

Methods:

an observational descriptive and transversal study was carried out on January 2022 to January 2023, where the universe was composed by 50 patients and the sample was made up of 30 patients based on non-probabilistic sampling; they met the selection criteria during the aforementioned period. Data processing was carried out in the SPSS program.

Results:

there was a greater frequency if the group 55 to 59 years old. Regarding skin color, there was a predominance of white skin. According to the histological type, the most frequent was infiltrating ductal carcinoma. According to the molecular subtype, there was a predominance of luminal B with HER negative and patients without immunohistochemistry results, which is why this is established as an invaluable tool.

Conclusions:

it was possible to characterize the behavior of patients with sanitary mastectomy with axillary dissection I and II in locally advanced breast cancer at the at the “María Curie” Provincial Teaching Hospital from January 2022 to January 2023.

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