Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lung volumes are low . The lungs appear clear . The heart is stably enlarged with a left ventricular configuration . No large effusion or pneumothorax . Mediastinal contour is normal . Old right rib cage deformities are seen . Supine and upright views of the abdomen pelvis were provided . An IVC filter projects over the mid abdomen . There is suture material in the lower mid abdomen . There is again noted to be diffuse gaseous distention and dilation of small and large bowel in this patient with known history ___ ___'s syndrome . No evidence of free air below the right hemidiaphragm .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . Cardiomegaly . 3 . Gas-filled dilated bowel loops in the upper abdomen , as seen previously , may reflect ___'s syndrome . Please correlate with subsequent CT .