Aligned with the 22nd Asia Oceanian Congress of Radiology (AOCR 2024) held in Taipei, Taiwan from March 22-25, this AI challenge explores the significant role of AI in Radiology. The congress, expected to attract around 1,500 attendees, serves as an important platform for discussions and innovation in Radiology. Winning teams of this challenge will have the prestigious opportunity to present their solutions at the AOCR2024 conference. Besides waiving their registration fees, these teams will also receive special recognition and monetary prizes awarded at the AOCR2024 conference. For more details, please refer to the [AOCR2024 official website](https://www.aocr2024.org/program/ai_challenge.asp). This competition focuses on identifying acute appendicitis from CT scans of acute abdomen cases. Participants will engage in a classification task, distinguishing the presence or absence of acute appendicitis using contrast-enhanced CT scans. Your contributions will aid in predicting if acute appendicitis is responsible for specific acute abdominal pain episodes. Furthermore, it will highlight the critical slices in the CT scan that medical professionals should examine to detect the inflamed appendix.