Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided chest tube is in unchanged position . No pneumothorax . The right apical fluid collection continues to improve . The right upper lobe opacity has decreased in size and radiodensity . The right lower lobe atelectasis has improved . No new consolidation . No pleural effusions . The cardiomediastinal silhouette is normal and unchanged .
    OUTPUT:
    
Improved right apical fluid collection .