Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Mild pulmonary vascular congestion is seen . Right ___- and infrahilar opacity is nonspecific , could relate to prominent pulmonary vasculature , but underlying consolidation due to pneumonia or aspiration not excluded . The cardiac silhouette is enlarged . There is prominence of the main pulmonary artery which may relate to underlying pulmonary hypertension . No large pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Relatively low lung volumes . Mild pulmonary vascular congestion . Right ___- and infrahilar opacity is nonspecific , could relate to prominent pulmonary vasculature , but underlying consolidation due to pneumonia or aspiration not excluded .