Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube appears midline and intact . Enteric tube traverses the diaphragm . Right PICC line ends in the low SVC , unchanged . Pigtail catheter projects over the right lower hemithorax and appears intact but its orientation has changed . Lung volumes remain low , but slightly improved from the prior exam . The right pleural effusion has slightly decreased in size , now small . Left pleural effusion , if present , is small . No pneumothorax .
    OUTPUT:
    
1 . Minimal interval improvement in aeration and decrease in size of small right pleural effusion . 2 . Interval change in orientation of right pigtail catheter - correlate with clinical assessment .