CT lung effusion is serious?

Lung CT showed a small amount of pleural effusion in both lungs. Whether the condition is serious depends on what causes pleural effusion. Clinically, the most common causes are lung malignant tumor, tuberculosis and lung infection. If lung malignant tumor, the condition is more serious. If pleural effusion caused by tuberculosis or lung infection, the condition is not serious. If you want to clarify the cause, you need to carry out relevant examinations, including lung ct examination, blood routine examination, erythrocyte sedimentation rate, lung tumor marker examination, tuberculin test, etc. If necessary, it is also necessary to puncture and draw fluid for examination, and then give symptomatic treatment according to the examination results, and if necessary, surgical treatment is also required.