Note that most people who have gas and bloating (and even other signs and symptoms) don't have colon cancer. 1  A feeling of needing to have a bowel movement, even if you don't.  A change in your bowel movements -- diarrhea or constipation, for example -- that lasts for more than a few days.
The tunnel is called the spinal canal. Lumbar spinal stenosis is a narrowing of the spinal canal in the lower part of your back. Stenosis which means narrowing, can cause pressure on your spinal cord or the nerves that go from your spinal cord to your muscles. Spinal stenosis can happen in any part of your spine but is most common in the lower back.
Spinal stenosis is a narrowing of one or more areas of the spine. This narrowing, which occurs most often in the lower back or neck, can put pressure on the spinal cord or nerves that branch out from the squeezed areas.pinal stenosis (or narrowing) is a common condition that occurs when the small spinal canal, which contains the nerve roots and spinal cord, becomes compressed. This causes a âpinchingâ of the spinal cord and/or nerve roots, which leads to pain, cramping, weakness or numbness.