RLQ pain - intermittent. 10 weeks. Most pronounced supine. Pulling/achy when erect. No pain sitting, no matter what position. No other symptoms. CT scan - diffuse upper abd. panniculitis. Mesenteric adenitis, adenopathy. Bilateral pelvic adenopathy. All organs normal. No appendix, gall bladder. PET scan - few, scattered precervical nodes SUV < 2.2. Some suggestion of increased attenuation central mesetery. Some degeneration mid & lower spine. No FDG avid malignancy. Colonoscopy - clear. Endoscopy - 3 small ulcers (asymptomatic). Any thoughts or suggestions?