Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy is unchanged position . A right pigtail catheter overlies the right hemi thorax in largely unchanged position . A right - sided PICC terminates at the cavoatrial junction . Lung volumes are slightly low . Bilateral airspace opacities are again demonstrated and not significantly changed from the prior examination . Obscuration of the left costophrenic angle is increased from the prior examination consistent with a small to moderate left layering left pleural effusion . Small right loculated effusion is stable . Retrocardiac opacity may represent some areas of atelectasis or consolidation . Cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
Lines and tubes as above . Multi focal opacities seen throughout both lungs are not significantly changed from the prior examination . A left pleural effusion may be minimally increased from the prior exam .