Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Asymmetrically distributed multifocal opacification is increased since ___ , particularly involving the left upper lobe , though also within the right upper lobe and right lower lobe . There is a more nodular opacity demonstrated within the right upper lobe which has been previously demonstrated since at least ___ . There are no large pleural effusions or pneumothorax . The cardiomediastinal and hilar contours are stable , demonstrating borderline cardiomegaly . There is marked enlargement of the main pulmonary artery , indicative of pulmonary arterial hypertension .
    OUTPUT:
    
1 . Worsening multifocal opacification . Recommend clinical correlation for infection , and in the absence of concern for infection , CT of the chest is recommended to exclude the possibility of malignancy . 2 . Pulmonary artery enlargement compatible with pulmonary arterial hypertension . Findings were discussed with Dr . ___ at 2 p .m . on ___ via telephone by Dr . ___ ___ telephone .