<prompt> The most common cancer, affecting both male and females of the world, is -Cancer of the pancreasBuccal mucosa cancerLung cancerColo-rectal cancer  <response>: Earlier it was lung cancer. But now it is lip,oral cavity cancer. Reference:Park;s textbook of preventive and social medicine,K.Park,23rd edition,page no:384. Text book of community medicine by Sundar Lal,2nd ed, pg no:613. p 