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 disorder that is caused by a narrowing of the spinal canal. This narrowing happens as a result of the degeneration of both the facet joints and the intervertebral discs. In this condition, bone spurs (also called osteophytes) grow into the spinal canal.ain in the buttocks or leg, which is a common symptom of lumbar spinal stenosis, may be associated with the compression of the microvascular structures carrying blood flow to the nerve roots. At the same time, the symptoms of spinal stenosis may be the direct result of physical compression of the nerve roots.