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The cumulative probability of recurrence of ACD as estimated by the Kaplan-Meier method. A) Using the data from all ACD patients, B) Stratified based on a history of ACD. The solid line represents the ACD patients without a history of ACD. The broken line represents the ACD patients with a history of ACD. C) Stratification based on the location of ACD. The solid line represents right-sided ACD. The broken line represents left-sided ACD. | indicates censored cases.
