Can this be colon cancer?

Not enough info. Colon cancer can present with or without symptoms. Common symptoms include change in stool caliber/consistency, rectal bleeding or blood with bm, abdominal pain, anemia. If you have not been screened, you should consider the various screening options for colon cancer, includine a stool test to check for blood, colonoscopy, or sigmoidoscopy. If you are having bleeding, you need a colonoscopy.