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Stage of presentation (A), 30-day mortality (B), and 30-day complications (C) by cancer and country income group
(A) Proportion of patients enrolled by cancer stage by country income group. (B) Proportion of patients dying or sustaining a major complication or any complication by day 30 after surgery stratified by country income group. (C) Proportion of patients sustaining a major complication who died within 30 days.
