Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Dual lead pacer projects over the right chest wall with leads extending the region the right atrium and right ventricle . Elevated left hemidiaphragm with left basal atelectasis noted . Right lung is clear . The heart is enlarged though not thoroughly assessed given effacement of the left heart border . No convincing evidence for edema . The right lung is clear . Bony structures intact .
    OUTPUT:
    
Elevated left hemidiaphragm with left basal atelectasis . Cardiomegaly incompletely assessed .