Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes have improved . No focal consolidation , effusion , edema , or pneumothorax . The heart is normal in size . The mediastinum is not widened . Hilar and pleural contours are normal . A 3 - mm opacity projecting over the lateral aspect of the right eighth posterior rib is unchanged since at least ___ , favoring benign etiology , likely calcified granuloma . A hiatal hernia small .
    OUTPUT:
    
1 . No pneumonia . 2 . 3 - mm probable right calcified granuloma , unchanged since ___ . 3 . Small hiatal hernia .