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Table 1 T staging of biplane TRUS plus UE and CEUS versus pathological T staging

From: Biplane transrectal ultrasonography plus ultrasonic elastosonography and contrast-enhanced ultrasonography in T staging of rectal cancer

Ultrasonic T stage

Pathological T stage (n)

Total

Ultrasonic T staging [n (%)] of patients

pT1

pT2

pT3

pT4

Overstaged

Understaged

Correctly staged

uT1

5

0

2

0

7

0(0.0)

2(28.6)

5(71.4)

uT2

6

13

7

0

26

6(23.1)

7(26.9)

13(50.0)

uT3

1

3

28

0

32

0(0.0)

4(12.5)

28(87.5)

uT4

0

0

1

0

1

1(100.0)

0(0.0)

0(0.0)

Total

12

16

38

0

66

7(10.6)

13(19.7)

46(69.7)

  1. TRUS Transrectal ultrasonography, UE Ultrasonic elastosonography, CEUS Contrastenhanced ultrasonography