Colon Cancer – Warning Signs Colon cancer often develops slowly and silently, especially in early stages. Many patients remain asymptomatic until the disease is advanced, which is why recognizing warning signs and timely screening is critical. 1️⃣ Change in Bowel Habits → Persistent diarrhea or constipation → Alternating diarrhea and constipation → Change in stool consistency (narrow or ribbon-like stools) Clinical significance → Caused by partial obstruction or altered bowel motility due to a g