You searched for: “asplenic
asplenic (adjective) (not comparable)
A reference to the removal and absence of the spleen: The asplenic person is someone who no longer has the saclike mass of lymphoid tissue called the spleen that is normally located in the left upper quarter of the abdomen, just below the diaphragm and behind the stomach.

Asplenic people have lost an organ that performs important functions related to both the immune and the cardiovascular systems.