I have occurred the same problem I'm 32 years old had my gallbladder removed 2 years ago and it seems like almost instantly after I eat within about 5 to 15 minutes I'm on the toilet explosive diarrhea positive for blood in the stool culture I have seen red blood I also have dark stool I had a colonoscopy all that came back from that was chronic inflammation I go Monday for an upper GI most of my pain is right below my breasts in above my belly button I feel full very quickly I don't have any auto immune deficiencies only thing I've ever been diagnosed with is fibromyalgia and a rare blood disorder called Factor V pai-1 mutation my blood naturally over clots I too like you have been seeking out answers for quite a while my gallbladder didn't have any sludge or gallstones it was swelled up with chronic inflammation working at 21% went from 71% the year before I've had where my liver enzymes have elevated my D-dimer has been high and I can't understand why I'm going through all of this no heartburn extremely fatigued all the time I only weigh about 104 lb fluctuating between 107 and 104 I've always been small but I know that my body is not getting any nutritions due to the fact that it's passing so quickly