I am 30 year old male, used to smoke a lot few years back(for 5 to 6 year) reduced dat to very low, have quit smoking and used nicotex for an year, experienced acute chest pain previously for few days. It stopped and things were normal but am having slight pain in chest again, my legs pain, read dat limp pain and chest pain may be lung cancer symptoms. Rest coughing/bleeding is not there.Please do help