Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . No definite signs of pneumonia . The previously noted right pleural effusion appears to have resolved in the interval . Heart size is stable and within normal limits . However , there is relative prominence of the pulmonary hila bilaterally , which is stable , though of unclear etiology . The possibility of engorged vasculature is raised . No pneumothorax . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Prominence of the pulmonary hila could be secondary to vascular prominence . Please correlate clinically . Consider CT on a non-emergent basis to further assess .