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.
1 Dermatofibrosarcoma protuberans: A rare form of slow growing tumor that develops deep in the skin. 2  Metastatis is rare but it often regrows after being surgically removed. 3  It occurs mostly on the trunk, shoulders and chest. Dermatofibrosarcoma protuberans: An intermediate cutaneous fibrohistiocytic neoplasm, presenting as a nodular cutaneous mass, most often on the trunk and the proximal extremities. 2  The tumor diffusely infiltrates the dermis and the subcutaneous tissues.