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Liverpool manager Jurgen Klopp declared himself "back in the race" as he returned to work less than 48 hours after having his appendix removed.
The German missed Saturday's 2-2 draw at home to Sunderland as he was undergoing surgery at Aintree Hospital after becoming ill.
But the 48-year-old was back to work at home the following day, reviewing the weekend's game, and decided he wanted to be involved in Monday's preparations for the FA Cup fourth-round replay against West Ham at the club's Melwood training ground.
"I feel good and I am back in the race," said Klopp.
"I figured if I feel bad I should stay at home, but I feel good.
"If I am not fit then I cannot help here and I would be at home. Everything is okay and we don't have to talk about this any more.
"I am very thankful for our doc (club medic Andy Massey) because he said we should go to hospital - I was not too sure - and the surgeon was great, a season ticket-holder who told me we both didn't want to see the game, I had the best nurses and everything was okay.
"I watched the (Sunderland) game yesterday. I spoke to all my coaches and what I heard before (he saw it) was what I saw afterwards.
"It was not necessary to give the points away but that is not something we can change. It makes no difference if you are in a deep sleep or on the bench - you can't change it any more.
"There were a lot of positive things and if you pick out the last 10 minutes it was a really good game; how you should play and we should have scored a few more goals.
"How we conceded the goals was not too good, how it is always, but it is not the only information I need to understand what our situation is at this moment.
"It is over and in this moment it is easier for me to say we have to carry on."