Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no consolidation , pleural effusion , or pneumothorax . There is no pulmonary edema . Cardiac silhouette is mildly enlarged and larger compared to ___ . Left pulmonary artery also appears larger . Right pulmonary artery size is stable .
    OUTPUT:
    
Left pulmonary artery is larger compared to prior CT from ___ , which may be due to acute left - sided pulmonary embolism .