Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is bilateral bronchial wall thickening accompanied by areas of airspace consolidation in the lower lobes , involving the left lower lobe substantially more than the right . There is additional small focus of consolidation in the inferior segment of the lingula . There is no pleural effusion , pneumothorax or pulmonary edema . The heart is normal in size , and the mediastinal and hilar contours are normal .
    OUTPUT:
    
Multifocal pneumonia , most severe in the left lower lobe .