Colorectal cancer was initially misdiagnosed in several individuals. They had been experiencing stomach pain for an extended period. A professor of surgery treated these patients, who required major surgery and chemotherapy. The patients' stories were shared with a news organization.

Further details about their cases are available from the source. A news report provides more information about the patients and their treatment.

The patients received treatment at a teaching hospital from a surgeon who had been taught that this type of cancer was uncommon in certain regions.