Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . A new heterogeneous opacity is seen in the retrocardiac posterior left lower lobe suggestive of early infiltrate . The right lung is clear . The heart size is unchanged . There is no pulmonary edema , pleural effusions or pneumothorax . The cardiac , mediastinal , and hilar contours are normal . The mild compression deformities of two mid thoracic vertebral bodies are stable . No new fractures .
    OUTPUT:
    
New left lower lobe early pneumonia . These findings were discussed with Dr . ___ at 11 :35 a .m . on ___ by telephone .