Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single upright portable frontal view of the chest demonstrates the lungs are well expanded and clear . The cardiomediastinal silhouette is unremarkable . There is no evidence of pneumothorax , focal consolidation , or pulmonary edema . The left costophrenic sulcus is excluded , however , there is no evidence of pleural effusion on the right . Multiple EKG leads are seen overlying the chest and upper abdomen . There is no subdiaphragmatic free air .
    OUTPUT:
    
No acute cardiopulmonary process .