Final answer:
The symptoms listed suggest a condition related to the gastrointestinal tract, possibly irritable bowel syndrome (IBS), due to the combination of abdominal discomfort and changes in bowel habits.
Step-by-step explanation:
Visible abdominal distention, pain relief after a bowel movement, increased stool frequency, loose stools with pain onset, mucus in stool, and a feeling of incomplete elimination after a bowel movement are all symptoms associated with conditions affecting the gastrointestinal tract, and more specifically, they may point toward irritable bowel syndrome (IBS).
This functional disorder is characterized by a combination of abdominal pain and altered bowel habits with no clear cause. While similar symptoms could also suggest other conditions such as inflammatory bowel diseases (e.g., Crohn's disease or ulcerative colitis), the symptom of mucus in the stool is particularly suggestive of IBS. However, in the absence of other distinguishing symptoms such as fever or blood in the stool, it is less likely to be an infection or a result of inflammatory diseases like diverticulitis or pseudomembranous colitis.