Appendix is a blind ended tube like structure located at RIF. When it is inflamed HRSG can easily diagnose it. The diagnostic criteria is, it measure > 6 mm in anteropsterior dimension at any point. On CDS there may found increased vascularity & there may have some localized colection. But some boderline cases having measurement just 6 mm, 5.9 mm or 5.8 mm creates confusion. They have ^ Total count & are clinically suspected. What are the Sonologist role to report those cases? Does any Us critria to elucidate Chronic / Recurreent Appendicites.