Neuroendocrine tumor of the breast showing invasive micropapillary features and multiple lymph node metastases.
Tomonori KawasakiTomoaki TashimaChisako MuramatsuAkihiro FujimotoYoko UsamiHitomi KodamaJiro IchikawaHirokazu NagaiKiyomi TaniyamaPublished in: Cancer reports (Hoboken, N.J.) (2022)
Our current patient, who had an invasive breast carcinoma with concomitant neuroendocrine and micropapillary features, developed multiple nodal metastases in association with a large-diameter tumor showing a luminal B-like immuno-profile. Accordingly, meticulous clinical follow-up remains essential for this uncommon case.