11. The fourth lumbar spinal nerve ( L4 ) originates from the spinal column from below the lumbar vertebra 4 ( L4 ). 12. The third lumbar spinal nerve ( L3 ) originates from the spinal column from below the lumbar vertebra 3 ( L3 ). 13. On his second lumbar vertebra in his lower back he had a tumor known as non-Hodgkin's lymphoma, a form of lymphatic cancer. 14. The second lumbar spinal nerve ( L2 ) originates from the spinal column from below the lumbar vertebra 2 ( L2 ). 15. A CT scan Monday showed Blake has a hairline break in a lumbar vertebra , and his status is called " week-to-week ." 16. In the upper lumbar region the lamina are taller than wide but in the lower lumbar vertebra the lamina are wider than tall. 17. The fifth lumbar spinal nerve 5 ( L5 ) originates from the spinal column from below the lumbar vertebra 5 ( L5 ). 18. It is behind the stomach and the omental bursa, and in front of the diaphragm, on the level of the first lumbar vertebra . 19. The surgery involved removal of an extruded piece of the disk in Johnson's fifth lumbar vertebra which had been pinching a nerve, causing pain. 20. Rios, seeded No . 1 in Pete Sampras's absence, announced his withdrawal on Monday because of a stress fracture in his second lumbar vertebra .
