There continues to be large variation in margin policy and re-excision rates across units. Altering margin policies to follow either SSO-ASTRO or ABS guidelines would result in a modest reduction in the national re-excision rate. Most re-excisions are for involved margins rather than close margins.

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Compare two groups of patients, ≥70 years old and <70 years old, diagnosed with III-IV grade haemorrhoids that underwent stapled haemorrhoidopexy.