Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no new consolidation or pleural effusion . Mild diffuse interstitial prominence is similar to the most recent radiograph from ___ . Chronic left upper lobe scarring accounts for the asymmetrically dense left apex . There is no pleural effusion or pneumothorax . Heart size is top - normal as in the past . A right pectoral pacemaker sends leads to the right atrium and right ventricle . A tubular opacity projecting over the heart is most likely due to a coronary stent . The patient has had previous mitral valve repair . Generalized osteopenia and mild thoracic spine kyphosis are unchanged . The patient has had left mastectomy .
    OUTPUT:
    
No radiographic evidence of pneumonia .