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.
The lower back develops lumbar stenosis, while the neck develops cervical stenosis. In the medical field, stenosis means the abnormal narrowing of a body channel. When combined with the word spinal, it defines a narrowing of the bone channel occupied by the spinal nerves or the spinal cord. Cervical Stenosis. 2  Spinal stenosis pain in the neck is called cervical spinal stenosis. 3  This condition means that there is potential compression of the spinal cord. 4  Unfortunately, the spinal cord compression can lead to serious problems such as extreme weakness, or even paralysis.