Not being on clear liquids yet is common.
Diarrhea--I'm not sure. I think usually the problem is nothing at all happening yet on that end. It wouldn't surprise me but I'm just not sure.
I think you said surgery was on the 27th? It helps to remind us when you post a question about an early complication/situation.
Usually, after the surgery, the hospital stay is 4 to 8 days depending on the intestines getting working again. A lot also depends on age and general physical condition in terms of how soon one gets out.
They usually give clear liquids once there are signs the bowels are working. Nurses always seem to be happily excited when you get gas.
Nobody else ever appreciated it before!
Pretty fast after clear liquids they will do a soft diet. As long as the person doesn't have vomitting or pain or other problems with the liquid diet, that is.
Mike