Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright view of the chest was reviewed and compared to the most recent prior study . Right pigtail drain and left chest catheter are unchanged in position . A small right apical and basilar pneumothorax is unchanged . Small bilateral pleural effusions and left lower collapse persist . Top normal heart size is unchanged .
    OUTPUT:
    
1 . Small right apical and basilar pneumothorax is unchanged . 2 . Small bilateral pleural effusions and right lower lobe collapse are unchanged .