Definitions

Prostate gland
ICD-O-3 topography code:	C61
ICD10:	C61

An invasive adenocarcinoma characterized by focal or extensive transformation of the malignant glandular cells to spindle-shaped cells.

Breast
ICD-O-3 topography code:	C50
ICD10:	C50

Fibromatosis-like metaplastic carcinoma belongs to the 'Metaplastic carcinoma' group of tumours.

Fibromatosis-like metaplastic tumours of the breast are characterized by bland spindle cells with a pale eosinophilic cytoplasm and slender nuclei with tapered edges and finely distributed chromatin embedded in stroma with varying degrees of collagenization.

See Metaplastic carcinoma of no special type for general discussion on metaplastic breast carcinomas.