Sore on my tongue. Please let me know!

I have a sore at the right back side of my tongue which is painful now my right side jaw pains its a bit swollen have pain in my right side tonsil and throat and pain on the right back side of head I smoke and drink regularly Have high blood pressure taking medicines Work for 12 hours a day work from home sitting infront of the laptop have severe neck pain too I am worried about the pain in my tongue I have small red bumps on back side of tongue as well but the pain is mainly on the right back side of the tongue which has the sore and its not getting better been a year already but the sore doesnot seem to go Can it be cancer or TMJ cos i have symtoms for both also I suffer from anxiety severe depression and panic attacks I have not got fever till date Also I am obese have put on a lot of weight pls help I am very scared please let me know