It has been announced through Kensuke Office that Katsuhiko Nakajima ha suffered from acute appendicitis (inflammation of the inner lining of the vermiform appendix), and he has been since been through an emergency operation. The operation has been noted to have been a success and Nakajima is now recovering.
Nakjima will miss the Kensuke Office show tomorrow, but as for the real time of recovery nothing has been announced.
Nakajima is the current GHC Junior Heavyweight Champion for Pro Wrestling NOAH and his first title defense is scheduled against Ricky Marvin on 10/16.
[Update] It has since been announced that Katsuhiko Nakajima will have to vacate the belt.