“…In patients, 13.97% subjects were smokers, 29.41% were alcoholic while 11.77% were smokers and alcoholic. Several studies investigating the effects of smoking and alcohol intake on the risk of esophageal cancer have demonstrated that long duration, high consumption and the interaction of these habits may increase the risk of EC (Franceschi et al, 1990;Launoy et al, 1997;Zambon et al, 2000;Castellsague et al, 2004;Lee et al, 2005;Muwonge et al, 2008;Chen et al, 2010;Wu et al, 2011). About 81.62% of patients were from rural background with agriculture as family occupation and 50.74% of them were exposed to pesticides and other agriculture chemicals.…”