The general term refers to a cancer originating from bone, tendon, cartilage, muscle, or fat.

Carcinomas are cancers that line the entire surface of the body as well as the internal structures and cavities.

Three anatomical features that birds share with their theropod ancestors are:
1. they had light, hollow bones
2. they rearranged hip and leg muscles because this of improved bipedal movement
3. they had their flight oriented with the use of wings for balance