Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . Atelectasis is present at the left base and a left pleural effusion is present . No evidence of failure is seen . The right lung appears clear . What appears to be a chest tube is present overlying the right lower lung medially . A drainage tube is also seen in the left upper quadrant . Multiple small air - fluid levels are present in this region consistent with the recent surgery .
    OUTPUT:
    
Appearances consistent with recent surgery , atelectasis and left effusion .