Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . Bibasilar atelectasis is seen . Relatively increased density projecting over the upper abdomen beneath the diaphragms may relate to overlying soft tissue , however , underlying ascites is not excluded . No large pleural effusion is seen . There is no pneumothorax . Cardiac and mediastinal silhouettes are grossly unremarkable . No pulmonary edema is seen .
    OUTPUT:
    
Low lung volumes and bibasilar atelectasis . No pulmonary edema .