Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is stable with mild cardiomegaly . Abnormality of the right hilar contour is grossly unchanged when compared to ___ study . The mediastinal and left hilar contours are unremarkable . No focal consolidations , pleural effusions , or pneumothorax are seen .
    OUTPUT:
    
Stable irregular contour of the right hilum that may be consistent with pulmonary artery enlargement versus mediastinal lymphadenopathy .