Must be calibrated for either running or walking. 1  Less accurate for interval training. 2  Not compatible with all watch-style units; foot pods and watches are brand specific. 3  Often requires separate purchase as an extra option. 4  Does not offer any navigation functions.
There are several signs that one may have a colon cancer mass including lethargy, tiredness, shortness of breath, changes to elimination of solid wastes, blood in the stools, weight changes and abdominal pain.
1 Colon cancer can cause a mass almost anywhere in the abdomen. 2  Crohn's disease or bowel obstruction can cause many tender, sausage-shaped masses anywhere in the abdomen. 3  Diverticulitis can cause a mass that is usually located in the left-lower quadrant.