Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to large hiatal hernia is noted . The left lower lobe opacity was not clearly seen on prior study from ___ . This may represent early pneumonia . No pleural effusion or pneumothorax . Heart size is normal . The upper mediastinal borders are normal . Multiple wedge - shaped deformities in the thoracic spine are again seen and may have slightly progressed compared to ___ .
    OUTPUT:
    
1 . Small left lower lobe opacity , not definitely apparent on recent chest radiographs , may represent early pneumonia . Recommend followup radiographs after resolution / treatment of symptoms . 2 . Hiatal hernia . 3 . Possible mild increase of wedge deformities in the thoracic spine .