MONDO_0002627 (chondroblastic osteosarcoma) is an osteosarcoma characterized by the presence of atypical cartilage of variable cellularity. It may or may not be associated with the presence of myxoid areas or focal bone formation. Also known as: chondroblastic osteogenic sarcoma, chondroblastic osteosarcoma (morphologic abnormality), chondrosarcomatous osteogenic sarcoma.