Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal opacity , pulmonary edema , pleural effusion or pneumothorax . Moderate cardiomegaly and a tortuous aorta are stable compared to the prior chest radiograph . There is no free air beneath the right hemidiaphragm . There are surgical clips in the right abdomen .
    OUTPUT:
    
No acute intrathoracic process .