Words to Describe fibrosarcomas

How fibrosarcomas often is described ("________ fibrosarcomas")

• adult
• rare
• secondary
• ameloblastic
• infantile
• transplanted
• tissue
• ovarian
• most
• anaplastic
• subcutaneous
• central
• laryngeal
• deep
• pediatric
• transplantable
• grade
• differentiated
• primary
• intracranial
• spontaneous
• congenital
• osseous
• retroperitoneal
• cerebral
• multicentric
• neurogenic
• induced
• peripheral
• oral
• undifferentiated
• clinical
• feline
• true
• periosteal
• malignant
• related
• solitary
• large
• pure
• ultraviolet
• pleomorphic
• synovial
• soft
• multiple