<s>[INST] My haemoglobin is 18 & hemotocrit is 53.8 does it create any problem. I have gone through the spine surgery before 3 years & nowadays i m suffering from right side chest pain radiating with back. I have gone through the blood tests, x rays, vitamin d3 , vitamin b12, sonography which appears normal but the pain exists. Kindly help [/INST] Hello, Thanks for posting your query. Normal value of hemoglobin in men range 14.0-17.5g/dL, as you are having slightly high hemoglobin levels which may be due to smoking, living at high attitudes, dehydration or any cardiac lung or liver disease. Chest pain radiating to back may be caused by pancreatitis,liver or gallbladder disease, peptic ulcer or cardiac ischemia. You are advised to visit doctor and get your LFT, serum amylase and endoscopy to reach causative factor. Hope it helps. Take Care! </s>