Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Left lower lobe consolidation is worrisome for pneumonia . The right lung is clear . No definite pleural effusion is seen although a trace left pleural effusion will be difficult to exclude . There is no pneumothorax . There may be minimal apical pleural thickening . The cardiac and mediastinal silhouettes are unremarkable , as are the hilar contours .
    OUTPUT:
    
Left lower lobe pneumonia .