Appendicitis is the infection of appendix
So can be due to secondary infection aur infection with the appendix maybe because of appendicolith.
Appendix infection or appendicitis can occur with or without appendicolith.
12 mm main bhi size of appendix also please post the report.
Next Steps
meet surgeon
patient has to be examined
may also require hospitalization depending on clinical condition
Health Tips
get CBC and other blood tests