Animal work has shown effects on gastric ulcer healing, intestinal anastomosis, and inflammatory bowel models [Drmic et al., World Journal of Gastroenterology, 2017]
The time it takes for marijuana or cannabinoids from some type of cannabis or hemp product to be completely eliminated from the body depends on many factors, including the dosage/strength used, how often you use it, your weight, your overall metabolism, liver function, general health, and whether you are on other medications
Reddit threads on r/Biohackers describe it landing between weeks 3 and 5 most often
This area has plenty of muscle, which is exactly what you want for effective absorption and a comfortable experience