retrocecal
/rɪˈtrəʊsɪsɛkəl/Definitions
1. adjective
relating to or situated behind the caecum (a pouch-like part of the large intestine)
“The retrocecal position of the kidney made the surgery more complex.”
2. noun
a retrocecal structure or organ, especially a kidney located behind the caecum
“The retrocecal kidney was a rare anatomical variation.”