Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Cardiomediastinal silhouette is unchanged with interval development of hilar congestion and mild interstitial edema . Prominence of the main pulmonary artery mobile may be seen with pulmonary arterial hypertension , also confirmed on prior CT chest from ___ . No large effusion is seen . No convincing evidence for pneumonia . Bony structures are intact .
    OUTPUT:
    
1 . Stable cardiomegaly with mild pulmonary edema . 2 . Prominent main pulmonary artery contour suggests pulmonary arterial hypertension .