Where would you expect to find each of these conditions?

Only needs to be a 150 words

The digestive process takes place along a long tube with name changes and function changes as the tube goes from mouth to anus. Can you identify a pathology or disease for several areas along this tube? Some examples include edentulousness, reflux, gastric paresis, diverticulosis and diverticulitis, and hemorrhoids. Where would you expect to find each of these conditions?