Chalazion of lid is -
Tarsal or meibomian cyst is a chronic non infective granulomatous inflammation of meibomian gland. A Chalazion is a small, usually painless, lump or swelling that appears on your eyelid. A blocked meibomian or oil gland causes this condition. It can develop on the upper or lower eyelid Ref:Ak khurana 6th edition IMG REF
Caseous necrosis
Chronic nonspecific inflammation
Chronic lipogranulomatous inflammation
Liposarcoma
Diseases of orbit, Lids and lacrimal apparatus