Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , mild pulmonary vascular congestion , interstitial edema , and small to moderate right pleural effusion is improved , however , right lower lung atelectasis is increased . The NG tube has been removed . Small right apical pneumothorax persists . The heart size is unchanged .
    OUTPUT:
    
1 . Mild pulmonary vascular congestion , interstitial edema , small to moderate right pleural effusions are improved , and right lower lung atelectasis is increased since ___ . 2 . Persistence of small right apical pneumothorax .