"time" "tumorsize" "number" 2 "<=3cm" 1 3 "<=3cm" 1 6 "<=3cm" 1 8 "<=3cm" 1 9 "<=3cm" 1 10 "<=3cm" 1 11 "<=3cm" 1 13 "<=3cm" 1 14 "<=3cm" 1 16 "<=3cm" 1 21 "<=3cm" 1 22 "<=3cm" 1 24 "<=3cm" 1 26 "<=3cm" 1 27 "<=3cm" 1 7 "<=3cm" 2 13 "<=3cm" 2 15 "<=3cm" 2 18 "<=3cm" 2 23 "<=3cm" 2 20 "<=3cm" 3 24 "<=3cm" 4 1 ">3cm" 1 5 ">3cm" 1 17 ">3cm" 1 18 ">3cm" 1 25 ">3cm" 1 18 ">3cm" 2 25 ">3cm" 2 4 ">3cm" 3 19 ">3cm" 4