Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were obtained . Vague opacity is noted in the left lower lobe , concerning for an early pneumonia . There is also subtle opacity in the right middle lobe . Overall , findings suggest multifocal pneumonia . Trace fluid tracks along the fissural planes . The upper lobes appear well aerated . Overall , cardiomediastinal silhouette is stable . A mid thoracic compression deformity is unchanged . No new compression fractures .
    OUTPUT:
    
Subtle opacities in the lower lungs compatible with multifocal pneumonia .