The lowest expression of L3MBTL4 was found in lobular tumors (p = 7,11.10-12) and in inflammatory breast cancers (p = 0.04) and was associated with the expression of estrogen receptor (ER) (p = 2,73.10-14), progesterone receptor (PR) (p = 3,11.10-13), ERBB2 (p = 7,73.10-14), SBR grade 2 (p = 1.49 104), lymph node metastasis (p = 3,39.10-5), P53 negativity (p = 0.0495) and low expression of Ki67 proliferative index (p = 19,61 10-5). Here, PGR is linked to inflammatory breast carcinoma.