Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left lateral lower ribs and costophrenic angle are excluded from view . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is enlarged including the left atrium , most notable on the lateral radiograph . Prominence of the pulmonary outflow tract is unchanged from ___ . The cardiomediastinal and hilar contours are within normal limits . The trachea is midline . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Cardiomegaly and stable prominence of the pulmonary outflow tract , unchanged from ___ .