Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no pulmonary edema . Left lower lung atelectasis has improved . Right lower lung significant collapse with pleural effusion is unchanged . Right - sided PICC line has been repositioned now ends in upper SVC . No pneumothorax .
    OUTPUT:
    
1 . PICC line has been repositioned and is now in adequate position . 2 . Severe right lower lung collapse with pleural effusion is unchanged . 3 . Improvement of mild left lower lung atelectasis .