Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are poorly inflated . There is slight increase in hilar prominence likely due to vascular engorgement . There is stable blunting of the right costophrenic angle . The left costophrenic sulcus is unremarkable . There is no pneumothorax . Cardiomediastinal contour is unchanged from prior . The blunting of the right pleural sulcus is stable from prior study and is likely related to scarring . Changes in the right seventh posterior rib are also unchanged .
    OUTPUT:
    
Mild central pulmonary vascular engorgement No evidence of pneumonia .