Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild indistinctness of the left heart border on the frontal view and the left hemidiaphragm on the lateral view could represent an early consolidation at the left lung base . The cardiac , hilar and mediastinal contours are normal . No pleural abnormality is seen .
    OUTPUT:
    
Focal consolidation at the left lung base . Correlate for clinical signs of pneumonia . Short - term followup radiographs are recommended to ensure resolution .