Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are within normal limits . There is no pneumothorax . A small left pleural effusion is present . An ill - defined opacity at the right lung base is new since the ___ examination .
    OUTPUT:
    
New opacity at the right lung base suspicious for consolidation or aspiration . Small left pleural effusion .