Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . Blunting of one of the costophrenic angles on the lateral view indicates a small pleural effusion . There is no pneumothorax . Low lung volumes are seen . Bibasilar atelectasis is present .
    OUTPUT:
    
Basilar atelectasis with small pleural effusion , possibly bilateral . Infection can not be excluded in correct clinical setting .