Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a left chest wall single lead pacing device with tip projecting over the right ventricle . Degree of cardiomegaly has likely progressed especially as prior film demonstrated lower lung volumes . There is no consolidation . No acute osseous abnormalities .
    OUTPUT:
    
Degree of cardiomegaly has progressed since ___ with interval placement of a single lead cardiac pacing device . No superimposed acute cardiopulmonary process .