Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart appears mildly enlarged . The mediastinal and hilar contours appear unchanged , allowing for low lung volumes . There is a patchy opacity in the left lower lobe suggesting pneumonia . Mild - to - moderate but chronic - appearing loss in two lower thoracic vertebral body heights is not significantly changed since at least ___ .
    OUTPUT:
    
Findings suggesting pneumonia in the left lower lobe .