Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal lateral views of the chest were performed . There is no pleural effusion , pneumothorax or focal airspace consolidation . The heart size is mildly enlarged . The pulmonary vasculature is normal , without evidence of volume overload . The mediastinal and hilar structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .