This large a cyst could either be an abscess or parasitic
cyst or a cystic tumour does he have history of alcohol consumption? Does he have fever and related constitutional symptoms
have these tests been done - 1. Cbc
5. Stoll re/me and ova/cyst
6. Serum ig g for entamoeba
msg me the reports on Lybrate
. I will be able to help you with the treatment.