Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left upper lobe collapse is new . There is no pneumothorax . The right lung is clear . There is no edema or pleural effusion . The cardiomediastinal silhouette is obscured by the left upper lobe collapse .
    OUTPUT:
    
1 . New left upper lobe collapse . 2 . No pneumothorax .