Inflammation with fibrosis & nipple retraction

Numerous neutrophils

Acute  cystic mastitis

Milk-phages with foamy cytoplasm

Hyperchromasia

Ductal benign epithelial cluster with apocrine metaplasia

Well preserved cuboidal cytoplasm

Thin cellular border with ectoplasmic rim

Regular round oval nuclei with slight hyperchromasia

Occasionally prominent nucleoli

Pleomorphism & macronucleoli

Cribriform type

Decrease desmoplastic reaction