<prompt> Which of the following is a curative resection?R0R1R2R3  <response>: Ans. a R0Ref: Sabiston 20th Edition, Page 1218 R 0,1,2 are used to show the completeness after resection of a cancer R0--Microscopic margin is negative in specimen R1--Microscopic margin is positive in specimen R2--Macroscopic margin is positive in specimen 