For about a year, Sophia has been having gastrointestinal (G…

For about a year, Sophia has been having gastrointestinal (GI) issues leading to diarrhea more days than not. Her medical doctor is trying to find potential causes and has attempted multiple medications, but the GI issues are disruptive to her day as she feels she finds herself repeatedly in the bathroom instead of doing her job. Sophia is very upset about the GI problems and can’t seem to shake the feeling and thoughts that this is probably a precursor to stomach cancer – the same cause for her best friend’s death three years ago. Which diagnosis is most likely for Sophia?