It’s not uncommon for people to have a sense that something is amiss in their body, even if they don’t have specific symptoms to back up that feeling. Trust your intuition. If you are concerned that something is wrong, it could be. Make an appointment and talk with your doctor.
If colon cancer is not diagnosed until its advanced stages, it may cause one or more of these symptoms:
Fever If a tumor in the colon breaks through the intestines, an abscess, which causes a fever, may occur.
Air Bubbles in Urine Air bubbles in your urine (called pneumaturia) may occur if a tumor in the colon invades into the bladder.
Problems Breathing If the colon cancer has spread to the lungs, shortness of breath, coughing, and/or chest pain may occur.
Headache and Neurological Problems If the colon cancer spreads to the brain or spinal cord, a headache, vision changes, confusion, and/or seizures may occur.
Bone pain Fractures, bone pain, and high calcium levels (seen on a blood test) may occur if cancer spreads to the bones