The simplest way to diagnose lung cancer

There is no simple single method to diagnose lung cancer. It requires a combination of multiple methods to diagnose. Symptom observation, chest X-ray, chest CT, sputum cytology, biopsy and other methods can be used to provide references for the initial diagnosis of lung cancer.

1. Observe symptoms: long-term cough, coughing up blood, difficulty breathing or weight loss may be signs of lung cancer. Especially when there is a persistent cough that is different from usual, or blood in the sputum, you should seek medical attention in time.

2. Chest X-ray: Chest X-ray is a commonly used preliminary screening tool that can detect typical lesions in the lungs. Although it has certain limitations in detecting early lung cancer, it is still an important step in determining whether there are abnormalities in the lungs.

3. Chest CT: Chest CT has a higher resolution and can detect small lesions in the lungs and areas that are difficult to show on chest X-rays. If a chest CT shows suspicious nodules or masses, further examination should be performed.

4. Sputum cytology examination: By examining the cells in the sputum, sometimes detached cancer cells can be found, which provides clues for the preliminary diagnosis of lung cancer.

5. Biopsy and pathological examination: When suspicious lesions are found in imaging examinations, obtaining the diseased tissue for pathological examination through biopsy is the most direct way to diagnose lung cancer.

The above methods are only for preliminary judgment. The diagnosis of lung cancer usually requires a combination of multiple test results and clinical symptoms. If you feel unwell, it is recommended to seek medical attention in time and follow the doctor's advice for appropriate examinations and treatment.