Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest tube has been removed . A pigtail pericardial drain is noted . Right PICC ends at the cavoatrial junction . Cardiomediastinal silhouette is stable . Lung volumes have increased . Right lung is clear . There is persistent atelectasis and effusion at the left base . No pneumothorax .
    OUTPUT:
    
Increased lung volumes with persistent left lower lung atelectasis and effusion .