I fear i ve cancer. Told me no issues.

Hi, I am 39 male. I ve been smoking for 13 yrs.. on a AVG of 12 a day.. the problem is I ve been drinking heavily for the last 4- 5 yrs.. drinking was abnormal..  Last 1.5 yrs I cough mucus with grey stuff.. ma face got big, am lean but I got a dual chin, very awkward for a body like mine... I feel pain in ma right lower below rib, which is obviously some liver problem I think.. I ve seen doctors in d begning stage.. too k blood tests n x-rays.. told me no issues.. recently saw a ent, he told ma dual chin is coz of fat.. I ve told him I drink heavy.. I don't know wat ma problem is... I ve doctor frnds but am avoiding them coz I may ve cancer.. some1 plz help me.. plz help me.. I want to live a happy life.. n plz don't publish ma problems in public.. thanks.. I am ready to take an appointment any time.. but plz gimme a exact solution. . Thanks..