Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Focal consolidation in the left lower lung . The lungs are otherwise clear . No pleural effusion , pulmonary edema , or pneumothorax . Normal cardiomediastinal silhouette , hila , and pleura . No acute osseous abnormality .
    OUTPUT:
    
Focal consolidation in the left lower lung , most consistent with acute pneumonia given the clinical history .