Neoplasm of mastectomy site

From the ICD-10-CM 2027 Neoplasm Table. Pick the column by behavior: malignant primary, malignant secondary (metastatic), in situ, benign, uncertain or unspecified. A trailing dash means the code needs more characters; open it to choose one. Full Neoplasm Table

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TermMalignant primaryMalignant secondaryIn situBenignUncertainUnspecified
mastectomy site (skin) see also Neoplasm, breast, skinC44.501C79.2--------
specified as breast tissueC50.8-C79.81--------