Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph demonstrates left lower lobe consolidation compatible with pneumonia . Additionally , partial obscuration of the right heart border makes a multifocal process likely . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Multifocal pneumonia , most marked in the left lower lobe .