“…In addition to studies demonstrating MEC as the most prevalent tumor in literature there were also investigators who found different results. The rates reporting MEC as the 1st most prevalent tumor among series were 60% (Vargas et al, 2002), 31.7% (Lima et al, 2005), 60% (Ali et al, 2010), and 20% (Kizil et al, 2013), and 43% (Iqbal et al, 2014). Some authors (Gunizi and Guney, 2013) reported the MEC frequency at an equal rate with SqCC (21.8%), while other authors reported it as the 2nd most prevalent tumor with 25% after SqCCa.…”