The following is a feature of:
Anchovy sauce pus is a feature of Ameobic liver abscess. 
In ameobic abscesses, Hemorrhage occurs into the cavities and the abscesses seem to be filled with chocolate colored, odourless, paste like material referred to as “anchovy sauce”.
Lung abscess
Amoebic liver abscess
Pancreatic abscess
Subphrenic abscess