Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs are adequately aerated . There is a focal consolidation at the left lung base adjacent to the lateral hemidiaphragm . There is mild vascular engorgement . There is bilateral apical pleural thickening . The cardiomediastinal silhouette is remarkable for aortic arch calcifications . The heart is top normal in size .
    OUTPUT:
    
Focal consolidation at the left lung base , possibly representing aspiration or pneumonia . Central vascular engorgement .