Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Dual - lead pacer device is again noted , unchanged in position with lead tips extending into the right atrium and right ventricle . A prosthetic cardiac valve is again seen . The heart remains mildly enlarged and there is a small right pleural effusion . There is mild pulmonary edema which is similar to slightly improved from prior exam . Atherosclerotic calcifications along the aortic knob noted . Bony structures are intact .
    OUTPUT:
    
Overall stable exam from ___ with perhaps marginal improvement in pulmonary edema .