Table 1

 Clinicopathological data of all cases

GroupNo of casesMean (range) age (years)Sex (M/F)Mean (range) tumour size (mm)TNM stageGradeProgression
Group 1, >95% tumour necrosis; group 2, 50–94% tumour necrosis; group 3, <50% tumour necrosis.
NS, not staged; LTFU, lost to follow up.
Group 1458 (27–82)3/180.2 (40–180)I: 31: 20/4
II: 12: 20/4
III: 03: 0
IV: 04: 0
Group 21063 (32–79)7/3103.5 (28–270)I: 21: 13/9 (0, 22, 50) and 1 LTFU
II: 32: 5
III: 43: 5
IV: 04: 0
NS: 1
Group 32062 (44–80)13/7106.1 (25–350)I: 61: 26/18 (1, 5, 15, 16, 31, 33) and 2 LTFU
2: 15
II: 43: 3
III: 104: 0
IV: 0