Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes . There is no pleural effusion , focal consolidation or pneumothorax . The left hilus is mildly enlarged but as an isolated finding is unlikely to be clinically significant , unless there is good evidence for acute pulmonary embolism . The cardiomediastinal silhouette is normal . There is no pulmonary edema .
    OUTPUT:
    
Mild vascular enlargement , left hilus , should be evaluated in clinical context to consider acute pulmonary embolus , as discussed with Dr ___ ___ reported a normal D - dimer level , excluding pulmonary embolus .