Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs remain clear . There is no pulmonary vascular congestion or effusion . Single lead cardiac pacing device is again noted as well as moderate cardiomegaly which is unchanged . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Cardiomegaly without acute cardiopulmonary process .