Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A dual lead pacemaker is unchanged in position when compared to the prior study . A surgical pin transfixes the right clavicle . There is moderate cardiomegaly with a left ventricular enlargement pattern . The right peritracheal lymphadenopathy is difficult to evaluate on these radiographs , there is no significant interval change in terms of the mediastinal contour when compared to the prior study . Lung volumes are within normal limits . No consolidation , pneumothorax or pleural effusion seen .
    OUTPUT:
    
1 . Left ventricular enlargement . 2 . The right peritracheal mass is inadequately assessed on this study . No significant interval change in the mediastinal contour when compared to the prior study .