What are histologic classifications of mesothelioma?

• Epithelial ( Tubulopapillary, Epithelioid IMP, Glandular, Large cell (giant cell), Small cell, Adenoid-cystic ,Signet ring) • Sarcomatoid (fibrous, sarcomatous, mesenchymal) • Mixed epithelial-sarcomatoid (biphasic) • Transitional • Desmoplastic • Localized fibrous mesothelioma