Answer
Colorectal cancer was the cause of Tsvangirai's death. This type of cancer affects the colon and rectum, and it is the third leading cause of cancer-related deaths in the United States. Symptoms of colorectal cancer can include abdominal pain, changes in bowel habits, and blood in the stool. Treatment options for colorectal cancer vary depending on the stage of the cancer, but may include surgery, chemotherapy, and radiation therapy.