Really? It's not even the most common way to refer to the caval foramen. This is obscure archaic terminology. It's caval foramen, esophageal hiatus and aortic

Really? It's not even the most common way to refer to the caval foramen. This is obscure archaic terminology. It's caval foramen, esophageal hiatus and aortic hiatus. Clinically, everyone says opening, foramen or aperture.