Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of pleural effusion or pneumothorax . No definite evidence of pneumonia , but there is a hazy opacity adjacent to the left heart border that is felt to not likely represent pneumonia . The heart size is normal . The mediastinal contours are normal .
    OUTPUT:
    
No definite evidence of pneumonia . Hazy opacity adjacent to left heart border is not likely to represent pneumonia . Though if symptoms develop , a repeat chest radiograph can be obtained for evaluation .