Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the chest radiographs obtained ___ , no significant changes are appreciated . Moderate cardiomegaly is unchanged . No evidence of pulmonary vascular congestion , pulmonary edema , or pleural effusion . The lungs are otherwise fully expanded and clear . Posterolateral right seventh rib fracture is unchanged . Cardiomediastinal hilar silhouettes are unremarkable .
    OUTPUT:
    
Unchanged moderate cardiomegaly without pulmonary vascular congestion , pulmonary edema , or pleural effusion . No acute cardiopulmonary abnormality .