Product Highlights. The A290 Series fixed bar return air filter grille with fixed horizontal blades accepts a 1 air filter (not included) and features 3/4 fin spacing.
A sarcoma (from the Greek ÏÎ¬ÏÎ¾ sarx meaning flesh) is a cancer that arises from transformed cells of mesenchymal origin. Thus, malignant tumors made of cancellous bone, cartilage, fat, muscle, vascular, or hematopoietic tissues are, by definition, considered sarcomas.This is in contrast to a malignant tumor originating from epithelial cells, which are termed carcinoma.Human sarcomas are quite rare. Common malignancies, such as breast, colon, and lung cancer, are almost always carcinoma.his is in contrast to a malignant tumor originating from epithelial cells, which are termed carcinoma. Human sarcomas are quite rare. Common malignancies, such as breast, colon, and lung cancer, are almost always carcinoma.
Also available in Italian. Mesenchymal chondrosarcoma is a malignant type of chondrosarcoma, or cancer of cartilage. Approximately two thirds of cases of mesenchymal chondrosarcoma occur in bone while the rest occur in places outside of the boneâi.e., in extra-skeletal locations.esenchymal chondrosarcoma tends to present with some type of swelling or pain, either in a limb or another part of the body. It may be diagnosed when it causes these symptoms related to the physical location of the tumor.