Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes results in bronchovascular crowding . Pulmonary edema has improved with mild residual pulmonary vascular engorgement . The heart is smaller , now with moderate cardiomegaly . A small left pleural effusion may be present . Atelectasis at the left lung base is worse . Mediastinal silhouette is stable . There is no pneumothorax . Surgical clips project over the left upper lung and right upper quadrant .
    OUTPUT:
    
Improvement in pulmonary edema with moderate cardiomegaly .