Table 2 Pathologic characteristics of interval neoplasms

Size, median (IQR) (cm)

0.90 (0.60–1.60)

0.80 (0.50–1.20)

2.00 (1.40–3.00)

< 0.001

Ulcer (%)

24 (8.1)

8 (3.3)

16 (31.4)

< 0.001

Undifferentiated histology (%)

40 (13.5)

0 (0.0)

40 (78.4)

–

Submucosal invasion^‡ (%)

14/282 (5.0)

1/242 (0.4)

13/40 (32.5)

< 0.001

Location (%)

< 0.001

 Upper third

58 (19.5)

39 (15.9)

19 (37.3)

 Middle third

81 (27.3)

64 (26.0)

17 (33.3)

 Lower third

158 (53.2)

143 (58.1)

15 (29.4)