Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are normal . A tiny opacity in the right mid-lung is likely a focus of residual fibrosis from a prior pneumonia . Lungs are otherwise clear . There is no pleural effusion or pneumothorax . Gallstones project over the right upper quadrant .
    OUTPUT:
    
1 . Small focus of a remnant fibrosis from healing of old pneumonia in right mid lung without evidence of acute infection . 2 . Gallstones .