In the U/S of the infant abdomen, which statement is incorrect.. Intussusception typically produces a doughnut shaped mass

In the U/S of the infant abdomen, which statement is incorrect:
A- Echogenic foci within the portal venous system are suggestive of necrotizing enterocolitis.T
B- A pyloric wall thickness of 4 mm or more strongly suggests pyloric stenosis. (True N. 2mm)
C- A pyloric channel length of 10 mm or more strongly suggests pyloric stenosis. This (20mm)
D- Intussusception typically produces a doughnut shaped mass. True
E- Anomalous alignment of the superior mesenteric vessels suggests midgut malrotation. True (Abnormally positioned vein in a patient with malrotation lies to the left rather than to the right of the artery).