An acute angle (acute meaning sharp) is an angle smaller than a right angle (it is less than 90 degrees). Related pages[change | change source] This short article about mathematics can be made longer. You can help Wikipedia by adding to it.
Chondrosarcoma is a cancer composed of cells derived from transformed cells that produce cartilage. Chondrosarcoma is a member of a category of tumors of bone and soft tissue known as sarcomas. About 30% of skeletal system cancers are chondrosarcomas. It is resistant to chemotherapy and radiotherapy. Unlike other primary bone cancers that mainly affect children and adolescents, chondrosarcoma can present at any age.
A type of bone cancer called Ewing's sarcoma usually develops in young people between 10 to 20 years of age. But it can occur in children and older adults. Chondrosarcomas and spindle cell sarcomas tend to occur mostly in adults over the age of 35 to 40.Chordomas occur mostly in adults over 60 years of age. type of bone cancer called Ewing's sarcoma usually develops in young people between 10 to 20 years of age. But it can occur in children and older adults. Chondrosarcomas and spindle cell sarcomas tend to occur mostly in adults over the age of 35 to 40.