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Table 2 Results of sentinel lymph node biopsy

From: Ambulatory sentinel lymph node biopsy preceding neoadjuvant therapy in patients with operable breast cancer: a preliminary study

 

Number of cases

Number of SN

Size of metastatic lesion (mm)

Metastasis negative

   

No metastasis

39

79

 

ITC

6

10

0.14 ± 0.06

Micrometastasis

5

10

0.60 ± 0.23

Metastasis positive

   

Macrometastasis

6

7

7.00 ± 2.20

Total

56

106

 
  1. SN sentinel lymph node. Macrometastasis (tumor diameter >2 mm); micrometastasis (tumor diameter >0.2 mm, ≤2 mm, or <200 tumor cells); ITC (isolated tumor cell; tumor diameter <0.2 mm or <200 tumor cells).