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Table 2 Treatment details and results

From: Early prediction of histopathological response of rectal tumors after one week of preoperative radiochemotherapy using 18 F-FDG PET-CT imaging. A prospective clinical study

 

Number

%

Radiotherapy dose (Gy)

  

Median (range)

(50.4-54) 51.12

 

Patients receiving 50.4 Gy

16

80

Chemotherapy

  

Capecitabine

13

65

UFT

5

25

CI 5FU

2

10

Interval between RCT and surgery (weeks)

  

Median (range)

8.7 (6.6 – 21.11)

 

Surgery

  

LAR

16

80

APR2

4

20

Surgical margins

  

R0

19

95

R1

1

5

Pathological TNM stage

  

0

4

20

I

5

25

II

3

15

III

7

35

IV

1

5

Tumor regression grade

  

I

4

20

II

2

10

III

9

45

IV

5

25

V

0

0

  1. Abbreviations: CI 5FU - continuous infusion of 5-fluorouracil.
  2. UFT - tegafur-uracil, RCT – radiochemotherapy.
  3. LAR – Low anterior resection, APR – Abdomino-perineal resection.
  4. 1One patient was removed from per – protocol analysis because of delayed operation.
  5. 2Including one patient who had APR and synchronous metastatectomy of liver metastasis.