Please, provide the suggestion

Patient: Dear Sir/Madam, Good-morning.Please, help me. I don’t know about the cancer. I want to checkup for cancer because i am smoker and now i decide leave smoking. and my weight also in last 4 years 10 KG exceed now 89 KG.I am thinking i have few problems -1) SMOKE2) WEIGHT3) KIDNEY STONE ( In 2005 Open Surgery- But Still Suffering)4) BACK NECK BUFFALO HUMP ( Suffering from last ten years )if you suggest me which type of test then i will do.