Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , pleural effusion or pneumothorax . Left basilar pleural thickening is noted as seen on CT ___ . Enlargement of the right hilum is likely due to an enlarged right pulmonary artery seen on the prior CT . Heart size is mildly enlarged . Mild aortic tortuosity .
    OUTPUT:
    
No pneumonia , edema or effusion .