Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates a normal cardiomediastinal silhouette . There is new focal increased opacity in the right lower lung . Opacities in the lingula and left lower lung have increased . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
1 . Bibasilar opacities , could represent atelectasis or pneumonia in the appropriate clinical setting