KRAS and endometriosis: The rate of re‐operation (for endometriosis) was low in the cohort overall (13.9%; 17/122), with 17.2% (11/64) of subjects with KRAS mutation and 10.3% (6/58) of subjects without KRAS mutation having a re‐operation (RR = 1.66, 95% CI: 0.66–4.21).