Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two upright AP views of the chest were reviewed . The cardiomediastinal and hilar contours are normal . Elevated right hemidiaphragm is chronic . There is no substantial pleural effusion or pneumothorax . There is no focal consolidation concerning for pneumonia . Mild vascular engorgement without frank pulmonary edema is noted . There is no pneumoperitoneum .
    OUTPUT:
    
No pneumoperitoneum or other acute process .