A complicated case of cor triatriatum dexter.

over the right chest wall, not obviously associated with any clinical abnormality. Ten days after admission, oedema of the face became apparent. Emination revealed a swollen right arm, a much enlarged and tender right breast, associated with dilated veins in the chest wall, and non-pulsatile distension of the neck veins. A diagnosis of superior vena caval obstruction was made. The liver was enlarged 2 cm. below the right costal