Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New left lower lobe ill - defined opacity adjacent but not obscuring the left heart border . Right lung is clear and pleural surfaces are normal . Heart size , mediastinal contour and hila are normal without lymphadenopathy . Radiopaque opacity projects posterior to the mid thoracic vertebral body and is a bullet .
    OUTPUT:
    
Probable left lower lobe pneumonia . If clinical concern consider oblique views for better evaluation . Results were conveyed via telephone to Dr . ___ by Dr . ___ on ___ at 3 :00 p .m . within 10 minutes of observation of findings .