simple mastectomy http://purl.bioontology.org/ontology/MEDDRA/10040700 http://purl.bioontology.org/ontology/MESH/D015413 http://purl.bioontology.org/ontology/SNOMEDCT/172043006 http://purl.obolibrary.org/obo/NCIT_C15281 A surgical procedure involving the removal of the entire breast tissue, nipple and a portion of the overlying skin, while leaving the axillary contents intact. SM bilateral simple mastectomy simple mastectomies total mastectomy unilateral simple mastectomy mastektomi mastectomy