Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate mild interval enlargement of cardiac silhouette . Prominence of the vasculature in the lung bases possibly due to crowding or mild engorgement . Normal mediastinal and hilar contours . No opacification concerning for pneumonia identified . No pleural effusion or pneumothorax .
    OUTPUT:
    
Minimal interval enlargement of cardiac contour . Prominence of pulmonary vessels , crowding versus mild engorgement .