lung cancer
  1. cough that has been unremitting for a long time

Cough is a symptom of most respiratory diseases, and lung cancer is no exception. Most of the cough caused by lung cancer is paroxysmal irritating dry cough, but some patients have a small amount of sputum, white foam sputum and other symptoms. If there is concurrent infection, there will be yellow thick sputum symptoms.

Unlike other respiratory diseases, lung cancer cough does not improve even if it is taken cough drugs, but the symptoms will become more and more obvious, and vigilance is needed.

  1. chest tightness and chest pain

There are not only lung organs in the chest, but also the most important heart. So when chest distress occurs, many patients mistakenly think it is a heart problem. But in fact, lung diseases also cause chest distress and chest pain, and other abnormal manifestations occur. In the early stage, it mainly focuses on the dull pain of chest, which may aggravate with breathing, coughing or changing posture.

  1. decreased lung capacity

With the continuous development of lung cancer, lung function will also continue to deteriorate, the most obvious manifestation is that the patient’s vital capacity is not as good as before. For example, when climbing stairs or exercising, I always felt that I could bear it before, but recently, there were some abnormal performances such as breaths, breathlessness and lack of breath. If it can not be relieved for a long time, it means that the lung capacity is declining.

  1. low heat

Lung cancer patients have low heat in clinical manifestations, because of the tumor surface ischemic necrosis, necrosis site is re absorbed by the human body, or there is an infection, it will cause patients with long-term low fever. The temperature is generally at 38 ℃, the clinical symptoms known as “cancer fever.”. If the fever relief drug is not obvious and the fever is repeated, the doctor should be checked in time.

  1. hoarseness

Hoarseness is also one of the common symptoms of lung cancer, especially in the stage of lung cancer development. This is because the tumor invades or oppresses the recurrent laryngeal nerve during the development process, which causes the voice change of the patient. Of course, sometimes throat, cold and other respiratory diseases can cause this symptom, but if it doesn’t improve after rest and treatment, you really need to be alert.

Even if lung cancer has many clinical symptoms, it is often ignored by patients because of its early and chronic respiratory diseases. If there is a family history of lung cancer, or smoking and contacting harmful gases all the year round, it is necessary to have a regular physical examination of the lung, which is the only way to detect lung cancer in the early stage.

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