Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On the lateral view , opacity projecting over the inferior spine may represent a basilar pneumonia in the appropriate clinical setting . The heart size is normal , and there is no overt pulmonary edema or pleural effusion . The mediastinal contours are normal .
    OUTPUT:
    
Opacity on the lateral radiograph projecting over the lower spine may reflect a basilar pneumonia in the appropriate clinical setting .