Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New tracheostomy is in place . A left - sided PICC tip seats at the cavoatrial junction . The heart size is within normal limits . The mediastinal and hilar contours are also within normal limits . Ill - defined opacity and blurring of the left hemidiaphragm are most compatible with small - to - moderate left pleural effusion and basilar atelectasis . There is no pneumothorax . A gastrotomy tube projects over the left upper abdomen .
    OUTPUT:
    
Small - to - moderate left pleural effusion with associated atelectasis .