Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The heart remains mildly enlarged . There is a similar overall pattern of right hilar prominence . No large effusion or pneumothorax . No signs of edema or pneumonia . Left shoulder arthroplasty partially visualized as well as degenerative changes at the right shoulder .
    OUTPUT:
    
Stable mild cardiomegaly . Right hilar prominence is unchanged .