Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette remains enlarged . There is a stable slight prominence of the aortic arch , stable since at least ___ . No focal consolidation is seen . There is no pleural effusion or pneumothorax . Degenerative changes are seen at the right shoulder and acromioclavicular joints . The right humeral head is high riding which can be seen in rotator cuff disease .
    OUTPUT:
    
Cardiomegaly . No acute cardiopulmonary process .