Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . Left chest wall pacer device is again seen with pacer leads extending into the region of the right atrium and right ventricle unchanged . No convincing evidence for pneumonia or edema . A focal eventration of the right hemidiaphragm is noted medially . Cardiomediastinal silhouette appears unchanged with mild cardiomegaly again noted . Bony structures are intact . High - riding of the bilateral humeral head is suggestive of chronic rotator cuff disease .
    OUTPUT:
    
Stable cardiomegaly . No convincing evidence for pneumonia or edema .