Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate new patchy opacities within the left upper lobe and likely lingula and possible left lower lobe , also to a lesser extent in the right lung base , concerning for multifocal pneumonia . There is no pneumothorax or pleural effusion . Cardiomediastinal silhouette is within normal limits . Moderate multilevel thoracic osteoarthritis is present .
    OUTPUT:
    
New pulmonary opacities in the left lung and also right base , consistent with multifocal pneumonia . Followup to resolution once treated is recommended .