Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the radiograph obtained 1 day prior , no significant changes are appreciated . A small amount of medial left lower lobe atelectasis is unchanged . Pleural effusions are small , if any . Lungs are otherwise fully expanded and clear . Heart size and cardiomediastinal silhouettes are unchanged . No pulmonary vascular congestion or pulmonary edema . A right - sided PICC terminates the lower SVC . A VP shunt descends and terminates in the right upper quadrant .
    OUTPUT:
    
Minimal , medial left lower lobe atelectasis . No significant changes .