Background: Although clear cell morphology may be seen in various subtypes of breast cancer, a pure variant of clear cell carcinoma (usually glycogen-rich) is a very rare primary breast malignancy. It is characterized by ...

Background Spindle cell carcinoma is a rare, metaplastic breast cancer (<1% of all breast carcinomas), with reportedly triple-negative (TNBC: ER-/PR-/Her2-) phenotype, associated with a marked resistance to conventional ...

Breast cancer consists of several intrinsic molecular subtypes, providing the basis for clinical treatment decisions. Lately, it is becoming increasingly recognized that factors other than the intrinsic cancer characteristics, ...