Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is borderline in size . There is some mild bilateral perihilar fullness suggesting pulmonary venous hypertension but pulmonary edema has resolved . There is streaky opacity at the right lung base suggesting chronic scarring in the right middle lobe as well as unchanged blunting of the right costophrenic sulcus . There is no pleural effusion or pneumothorax . Mild degenerative changes again affect the upper thoracic spine .
    OUTPUT:
    
Findings suggesting pulmonary venous hypertension . Chronic unchanged findings at the right lung base .