TGFB1 and cholesteryl ester measurement: The increased expression of transforming growth factor-beta 1 (TGF-β1), vascular endothelial growth factor (VEGF), tumor protein P73 (TP73), tumor protein P63 (TP63) and BAX (BCL-2 associated X protein) transcript variant alpha demonstrated the dominance of proliferative and anti-apoptotic activity in CE.