Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were provided . Dual - lead pacer is unchanged . The heart remains mildly enlarged . There is no evidence of pneumonia , effusion , or pneumothorax . There is no overt pulmonary edema , though can not exclude mild interstitial edema . Anchors are noted in the right humeral head . Bony structures are stable .
    OUTPUT:
    
Possible mild interstitial edema . Stable mild cardiomegaly .