Premature newborn after placement of an umbilical venous catheter Pediatric Imaging Cardiovascular April 5, 2026February 19, 2026 AXR AP shows the course of the umbilical venous catheter taking a 90 degree turn within the liver with its tip projecting over the right lobe of the liver. The diagnosis was umbilical venous catheter malfunction with the catheter tip projecting over the right portal vein. Related Published April 5, 2026February 19, 2026