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Straight to flexible sigmoidoscopy: rationalization of 2‐week wait referrals in suspected colorectal cancer

The 2‐week wait pathway was designed to decrease the time from presentation to primary care of patients with ‘red flag’ symptoms of suspected cancer for review by a specialist for the diagnosis or exclusion of cancer. In our tertiary referral centre we have found that 968 colonoscopies per year are required to satisfy the demand for the 2‐week wait, leading to limited colonoscopy availability for other services. We sought to determine the yield of colorectal cancer found at colonoscopy referred via the 2‐week wait and referenced to the original red flag symptoms. This was in order to select the most efficacious alternative primary investigation based upon presenting symptoms.