Pain in the lower right abdomen does not necessarily indicate colon cancer, as there are many possible causes of this pain. Common conditions include acute or chronic appendicitis, gynecological diseases such as pelvic inflammatory disease, torsion of a right ovarian cyst, ectopic pregnancy, and others. Additionally, urological issues like a stone in the lower part of the right ureter can cause severe pain in the lower right abdomen, which are again not indicative of colon cancer. Gastrointestinal diseases like Crohn's disease often lead to pain in the lower right abdomen. Of course, tumors in the ileocecal area or ascending colon can also cause such pain. Hence, while lower right abdominal pain is not necessarily due to colon cancer, in rare cases, it could be.