Chest X-ray manifestations of early lung cancer

The chest X-ray findings of early lung cancer are mainly: 1. localized emphysema signs, narrowing of bronchial lumen, valve obstruction, air can enter when inhaling, but it is difficult to expel when exhaling;2. atelectasis;3. bronchial lumen obstruction or bronchiectasis. Chest X-ray examination is the most basic imaging diagnostic method, and it is necessary for the diagnosis, differential diagnosis and staging of lung cancer. Chest anteroposterior and lateral radiographs are the most commonly used X-ray examination, which can obtain a lot of valuable information and obtain a preliminary diagnosis. For those who show the above manifestations and signs, they should be diagnosed in time with other imaging results such as CT, MRI, or laboratory examination, pathological examination, sputum exfoliation cell examination, bronchoscopy, and early detection and early treatment.