People who have been smoking for a long time should be wary of lung cancer in these 4 situations

1. Cough
        Patients with lung cancer will have symptoms of cough in the early stage, especially dry cough. If you say you don’t have a cold or fever, but you have symptoms of a dry cough, you must go to the hospital for examination in time. The most obvious phenomenon is to take antibiotics to relieve cough. If the medicine has no effect, then it is very likely that cancer cells are growing in the lungs, so enough attention must be paid.

2. Blood in sputum
        Regardless of the disease, the appearance of hemoptysis is generally not a good sign. It should be paid enough attention. If it is inconvenient, you can first rule out whether it is caused by heat or bleeding gums. If it is not for these reasons, you should find out When you cough, you have bloodshot streaks. Even if there is only a little bit, you must go to the hospital for examination in time. These may be the precursors of lung cancer, even if it is not lung cancer, it may also be other major diseases, because of common colds, fever, respiratory infections, etc. Diseases will not cause blood in the sputum.

3. Difficulty breathing
        The lung is an important organ of the respiratory system. The symptoms of dyspnea are generally caused by lung problems. Lung-related diseases are not small and must be paid attention to. The spread of lung cancer is very fast. If not in time After diagnosis and treatment, the later treatment process will be more difficult. Therefore, when the symptoms of breathing difficulties occur, we must check to see if it is caused by the tumor's compression of the respiratory tract.

4. Chest and back pain
        Cancer cells in the lungs are easy to breed and spread, which will affect the joints and nerves. If you experience chest and back pain without overwork, you must be vigilant, and you will not be relieved for a long time, or Frequent occurrence may be the cause of lung cancer, so you must consult your doctor in time.
        The above are some of the symptoms that lung cancer patients are prone to appear. When you find that you meet one or more of them, you must pay attention to it. Even if it takes some time and money, it will not allow the lung cancer to spread further. The best way is to have regular physical examinations and early detection. Early treatment.