Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable chest radiograph is provided . Patchy opacities in the right lower lung and left mid lung are present that are consistent with pneumonia . Lung volumes are low . Cardiomediastinal silhouette is notable for a tortuous aorta . Median sternotomy wires are intact .
    OUTPUT:
    
Patchy opacities in the right and left lower lobes are most likely pneumonia .