Fig. 4From: Temporary hypotension and ventilation difficulty during endoscopic injection sclerotherapy for esophageal varices in a child with Fontan circulation: a case reportTransverse CT image at the levels of the common pulmonary venous cavity (A) and tracheal bifurcation (B) in this patient (left) and in a normal child (right). Note the smaller anterior-posterior diameter of the common pulmonary venous cavity in this case (left) compared with that of the left atrium in a normal child (right) (A) and the coils for embolizing the major aortopulmonary collateral arteries in front of the tracheal bifurcation (left) (B)Back to article page