There are signs of cough and chest pain before the arrival of lung cancer.
Lung cancer is a kind of common malignant tumor in respiratory system. Generally speaking, there is no obvious abnormal performance in the early stage, and only some of the patients will have symptoms similar to pneumonia, such as coughing, coughing up sputum, blood in sputum, etc. For patients with relatively serious condition, hemoptysis, chest pain, chest tightness, etc. are also found in the early stage.
Most of the early lung cancers are found during CT examination of the lungs, after which biopsy of pathological tissues is needed to make it clear. Most of the early lung cancers can be cured by timely radical surgical resection, while some of the patients need to be treated with radiotherapy and chemotherapy after the operation.