Injured super lightweight boxing world champion Kostya Tszyu regards the confusing situation in his division as "a mess", but believes it will give him something else to achieve when he returns to the ring.

Australian-based officials of the International Boxing Federation and World Boxing Association revealed their organisations would review Tszyu's status over the coming days.

Tszyu, who underwent shoulder surgery last week, said he held no fears over his status as he regarded himself as the undisputed world champion because he hadn't lost any of his titles in the ring.

Next week all three major organisations will have interim or other champions in addition to Tszyu, who is not expected to fight again till mid-year.

The organisations were under pressure to maintain world title activity because Tszyu has not fought since January last year due to Achilles tendon and shoulder operations.

The IBF is expected to sanction next weekend's fight between number one ranked Sharmba Mitchell and fourth-rated Omar Weis as an interim title.

The WBA has recognised Guiana's Vivian Harris as its super lightweight world champion since October 2002 and lists Tszyu as the undisputed world champion.

Canadian Arturo Gatti last weekend won the World Boxing Council title which it declared vacant last October after announcing it had made Tszyu Emeritus Champion of the World.

Tszyu understood why followers of the sport were confused by the proliferation of titles in his division, though he could also see a funny side.

"It's a big mess, isn't it, at least I've got something to do now before my retirement, I have to fix the division up again," Tszyu said.

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