Infradiaphragmatic

Partial anomalous pulmonary venous connection is usually supradiaphragmatic, but when it is infradiaphragmatic the veins enter the inferior vena cava, forming the scimitar syndrome.

Infradiaphragmatic intra- and suprasellar craniopharyngioma: its starting point is intrasellar, and it develops to the suprasellar spaces in distending the diaphragma sellae, which commonly becomes inseparable from the tumor capsule.

The inverted Y field has traditionally been used to treat the infradiaphragmatic lymph node regions including the paraaortic nodes, spleen, pelvic nodes and inguinofemoral nodes.

[…] infradiaphragmatic aortic clamping is done just above the celiac plexus level; it is decided after laparotomy because of the torrential uncontrollable bleeding.