Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of right - sided ___ drain with tip projecting over the lower right hemithorax . No pneumothorax or pleural effusion . Lung volumes are lower with interval increase in atelectasis , particularly on the left . Pulmonary vascular congestion is mild , despite lower lung volumes . Elevation of the right hemidiaphragm secondary to volume loss post VATS wedge resection . The heart is top - normal in size , unchanged . The mediastinum and hila are within normal limits .
    OUTPUT:
    
No pneumothorax . Appropriate position of right ___ drain .