Why does the lung appear patchy shadow

There are many reasons for patchy shadows in the lungs, among which pneumonia is the most common cause. If the patient also has acute cough, expectoration, fever and other symptoms of infection, combined with chest ct that indicates patchy shadows in the lungs, it is often suggested that the patient may be pneumonia. In addition, tuberculosis can also cause patchy shadows in the lungs. Pulmonary changes secondary to connective tissue disease or vasculitis, cryptogenic organizing pneumonia, pulmonary infarction, etc. may cause patchy shadows in the lungs. Even lung cancer may cause patchy shadows in the lungs. Therefore, if the lungs show patchy shadows and the application of antibiotics is not effective, in addition to considering adjusting antibiotics, it is also necessary to pay attention to some specific infections. It is also necessary to pay attention to the above non-infectious diseases.