Rapid weight loss. If a person loses weight without any changes in his way of life that could affect his body weight, or if the foods in your daily diet seem unattractive to you – it is important to find out a background, because lung cancer signs in the early stages can include deprivation of appetite and inexplicable weight loss. What a person experiences: some people have the reluctance to take food and forget to eat; they may also notice that their clothes are getting too big, although they do not eat less. If the bad appetite continues to persist, or you keep on to lose weight without any effort on your part, consult a doctor.
Weakness and pain. Often patients complain of pain in the chest or back, which persists with time. The pain may be in the chest or lung area, but it can also be present in the upper back, shoulders or neck – and it is easily confused with muscle pain. The pain can be different: from periodic to acute paroxysmal and permanent. Pain can be delivered to the shoulder, neck, stomach. Also, pain can intensify with deep breathing, coughing. Pain is not stopped by taking non-narcotic painkillers. By the intensity of pain can be judged on the extent of affection to the lungs and other organs of the chest.