Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear . Partial right hemidiaphragm eventration is stable . The hearts ize is normal . No pneumothorax , pleural effusion , pulmonary edema , or pneumonia . A calcified structure is seen projecting over the left T9 posterior rib , possibly an old rib fracture .
    OUTPUT:
    
No acute cardiopulmonary process .