<unk><unk>  may be classified in to two subtypes, benign type and malignant type. Malignant<unk><unk>  (MSO) are classified into three subtypes; classic variant of papillary thyroid carcinoma (cPTC), follicular variant of papillary thyroid carcinoma (FVPTC) and Follicular thyroid carcinoma.
Struma ovarii classification
Mastitis classification
Fibroadenoma classification
Seminoma classification
Endometrial hyperplasia classification
Polycystic ovary syndrome classification
Sexcord/ stromal ovarian tumors classification
Teratoma classification