The PIPER Project study published in the New Zealand Medical Journal, looked at more than 5000 patients, and is the largest and most detailed study of bowel cancer undertaken in New Zealand.

Oncologist Christopher Jackson, the clinical lead on the study, said it found Pacific and Māori people with bowel cancer tended to seek medical help at a later stage, so were treated when the cancer was more advanced.

“We found that the proportion of Māori patients who presented to the Emergency Department is the first time they’ve presented with bowel cancer.

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