Criterion

Number of patients

% of total

W/o changes post-surgery, number of patients

% of all patients with this criterion

W/ changed criterion post-surgery, number of patients

% of all patients with this criterion

Comments

Tis

1

3.1

1

100

-

-

Т1

19

59.4

18

94.7

1

5.3

Changed to Т0 (post neoadjuvant polychemotherapy)

Т2

11

34.4

7

63.6

4

36.4

Tumor regression at the background of neoadjuvant polychemotherapy in 1 patient, criterion pT became less than cT upon the pathomorphological diagnosis in other 3 patients.

Т3

1

3.1

-

-

1

100

Reduction to T at the background of neoadjuvant polychemotherapy

N0

32

100

28

87.5

4

12.5

tumor regression to T1N0M0  in the patient with cТ3N2aМ0 at the background of neoadjuvant polychemotherapy, but the pathomorphological investigation revealed N2а l/nodes status.