Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided of battery pack and pacemaker lead is noted with the leads terminating in the right atrium and the right ventricle . Median sternotomy wires are noted to be broken with a small lucency in between then , perhaps a sign of chronic dehiscence . There is mild - to - moderate cardiomegaly , particurally an englarged left ventricle . Hilar contours are normal .
    OUTPUT:
    
Correct lead positioning in the right atrium and right ventricle . Cardiomegaly .