Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No evidence of retained PICC line . Chronic elevation of left hemidiaphragm . Persistent small left pleural effusion and mild left basilar atelectasis . Interval resolution of right pleural effusion and basilar atelectasis . The cardiomediastinal contours are normal . The pleural surfaces are normal . The spinal fusion hardware is intact . Mild thoracolumbar scoliosis .
    OUTPUT:
    
1 . No overt evidence of retained PICC line but a small fragment online in the lungs or heart would be better detected by chest CT than conventional radiographs . If clinical concern remains , CT imaging would be recommended . 2 . Interval resolution of right pleural effusion with persistence of left pleural effusion and basilar atelectasis .