Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Opacity at the left lung base concerning for a focal consolidation . No evidence of pleural effusion or pneumothorax . The cardiomediastinal silhouette is moderately enlarged likely secondary to moderate cardiomegaly . No evidence of pulmonary edema . Imaged osseous structures are intact . No evidence of free air below the diaphragm . A moderate hiatal hernia is noted in the retrocardiac region .
    OUTPUT:
    
1 . Left lower lobe pneumonia . 2 . Moderate cardiomegaly without evidence of pulmonary edema . 3 . Moderate hiatal hernia .