Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left thoracostomy tube is unchanged in orientation . Severe left basilar atelectasis has worsened . There is an adjacent small left pleural effusion . Since ___ , there has been gradual development of a hazy left upper zone opacity , which may represent focal atelectasis or pneumonia . Again seen is a moderate right pleural effusion with adjacent compressive atelectasis . Moderate cardiomegaly is unchanged . The hilar and mediastinal contours are within normal limits . There is no pneumothorax .
    OUTPUT:
    
1 . Interval development of a hazy left upper zone opacity , which may signify focal atelectasis or pneumonia . 2 . No pneumothorax . 3 . Worsening left lower lobe collapse . 4 . Unchanged moderate right pleural effusion with adjacent atelectasis .