Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is severe enlargement of the cardiac silhouette . Mediastinum is widened . Left base opacity is seen worrisome for large consolidation , underlying pleural effusion or pulmonary mass not excluded . No pleural effusion seen on the right . Biapical pleural thickening seen . Dual lead left - sided pacer device is seen with leads extending to the expected positions of the right atrium and right ventricle .
    OUTPUT:
    
Severely enlarged cardiac silhouette . Widened mediastinum . Left lower lobe consolidation may be due to infection , aspiration , underlying pulmonary mass not excluded . Chest CT may help further assess the above findings .