Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a focal opacity at the lung bases which suggests pneumonia . No significant pleural effusion is present . No pneumothorax is seen . The heart size is normal . There are multilevel degenerative changes of the thoracic spine with bridging osteophyte formation and calcification of the anterior longitudinal ligament . Distended loops of large bowel are partially imaged in the left upper quadrant .
    OUTPUT:
    
Findings concerning for developing pneumonia in the left lower lobe .