Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits ; the mediastinal contours demonstrate a tortuous aorta , exaggerated by patient rotation . The lungs demonstrate left basilar consolidation . There is no pneumothorax . No displaced rib fracture is present .
    OUTPUT:
    
Left lower lobe consolidation , in the appropriate clinical setting is compatible with pneumonia ; an additional consideration is pulmonary infarct ; follow - up imaging to document resolution would be recommended .