Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . The right lung is clear . There is an opacity blunting the left costophrenic angle which is confirmed in the lateral view without clear fluid meniscus . The remaining of the left lung is clear . The cardiomediastinal and hilar contours are unremarkable . There is no evident pleural effusion or pneumothorax .
    OUTPUT:
    
New opacity blunting the left costophrenic angle raising concern for left lower lobe pneumonia .