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 the open spaces within your spine which can put pressure on your spinal cord and the nerves that travel through the spine to your arms and legs spinal stenosis occurs most often in the lower back and the neckpinal stenosis is a narrowing of the open spaces within your spine which can put pressure on your spinal cord and the nerves that travel through the spine to your arms and legs spinal stenosis occurs most often in the lower back and the neck