Symptoms of cancer after quitting smoking - Online Doctor Chats

User :   Hello?
Doctor :   hi
Doctor :   how can I help you?
User :   Real person?
Doctor :   yes
User :   Well, ive been smoking for 5 years
User :   just quit tomorrow
User :   cuz ive been starting to show symptoms of cancer
User :   yesterday*
User :   Ive been lightheaded, coughing up blood, chronic chough, sweating while sleeping
User :   and fatigue
Doctor :   ok
User :   What should i do?
Doctor :   how many cigarettes do you smoke per day?
User :   little more than half a pack
User :   im 18 by the way
Doctor :   Ok
User :   I'm way to young to be getting cancer
Doctor :   Please try to quit smoking
User :   I already have
Doctor :   You may resume
Doctor :   that is why this is a sort of advice to you
Doctor :   not to resume
Doctor :   Cancer prevails if you continue
Doctor :   for more than 5 to 10 yrs
User :   And if i quit?
Doctor :   the risk is completely reduced
Doctor :   to negligible