The sigmoid colon is the last section of the colon (large intestine).
Once a cancer become malglinant it spreads throughout the body canusing other cancers. So yes it would be very easy to have both.
You get colon cancer when a polyp in your large intestine turns into cancer. Indications exist that a diet high in fiber (a lot of vegetables and oatmeal) prevent polyps from forming and reduce your...
form of cancer (any of several diseases where a malignant growth or tumour causes abnormal and uncontrolled cell division)
Together, colon and rectal cancers account for 10% of cancers in men and 11% of cancers in women