Yes, chronic appendicitis <span style = 'background-color: #dae8f4'>does</span>
exist, I had it. Essentially I had unexplained abdominal pain and a few acute episodes over the years which somehow
resolved by themselves. In the last months, though, I was having RLQ pain right after eating and randomly several times a day. The partially blocked appendix was found after upper GI X-ray with small bowel follow-through, and was confirmed by Doppler ultrasound two months later.