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Table 1 Assigned values of six key pathological items across five cases

From: Challenges and improvements in HER2 scoring and histologic evaluation: insights from a national proficiency testing scheme for breast cancer diagnosis in China

Case

Histologic

type

Histologic

grade

ER*

PR*

Ki67#

HER-2

A1

IMC

II

90%

60%

32.5% [20-50%]

2+/3+

A2

C-AD

II

0%

0%

20% [10-30%]

2+

A3

ILC

III

90%

90%

60% [40-85%]

2+/3+

A4

ILC

II

90%

80%

10% [5-15%]

1+/2+

A5

IBC-NST

II

70%

10%

15% [5-20%]

2+

  1. *, median value; #, median value with range of min and max