Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is partial silhouetting of the left hemidiaphragm without a confirmatory opacity identified on the lateral view . The lungs are otherwise clear lungs are clear . There is no pulmonary edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Partial silhouetting of the left hemidiaphragm on the frontal view only . Although possibly due to focal scarring , an early pneumonia should be considered given the clinical suspicion for infection .