This is pretty much exactly my symptoms, diagnosis, and experience. After CT and PET scans and colonoscopy and bloodwork to rule out lymphoma, my GI diagnosed Sclerosing Mesenteritis. She is recommending 40mg Prednisone for 6 months with 10mg Tamoxifen plus sulpha antibiotic, then 6-month taper. That seems like a long time to take such a high dose of prednisone, and I notice others on this thread started to taper after just a few weeks or a month. I am very curious what treatment you got, and what the results were?