The lumbar vertebrae are the 5 largest and strongest of all vertebrae in the spine. These vertebrae comprise the lower back. They begin at the start of the lumbar curve (ie, the thoracolumbar junction) and extend to the sacrum.
1) Sarcoma [CHILDREN]: cancer of connective tissue or supportive tissues, inside of bones - Diagnosed during growth. 2) Carcinomas [ADULTS]: cancer of epithelial origin such as breasts, colon, pancreas, skin, lung which spreads to bone - Diagnosed peak growth periods.
1 Most colon cancers are adenocarcinomas-tumors that develop from the glands lining the colon's inner wall. 2  These cancers, or malignant tumors, are sometimes referred to as colorectal cancer, reflecting the fact that the rectum, the end portion of the colon, can also be affected.