2025-11-272025-11-27http://hdl.handle.net/2263/106201Clinical history : A 50 year old male with a history of pain in the lower abdomen with masses in the lilac fossa.Autopsy findings : 1. Actinomycosis of the caecum.2. Systemic actinomycosis of the heart, liver, spleen and kidneys.Diagnosis: Systemic actinomycoses with fibrous pericarditis