Table 2 Tumour characteristics, method of diagnosis and previous atypia histology of BCs developed following atypia diagnosis.

From: Long term follow-up of women treated for screen detected atypical ductal hyperplasia or lobular neoplasia in a large UK screening centre

 

Number of BC cases (N = 15)

Invasive

14

 Surrounding DCIS

8

 No surrounding DCIS

6

Non-invasive

1

Site

 Ipsilateral

9

 Contralateral

6

Invasive tumour type

 Ductal

12

 Lobular

2

Grade

 1

5

 2

7

 3

2

T stage

 1

12

 2

1

 3

1

 4

0

N stage

 0

9

 1

3

 2

0

 3

0

 Not assessed

2

ER status

 Positive

13

 Negative

1

PR status

 Positive

12

 Negative

2

HER2 status

 0

1

 +1

9

 +2 ISH negative

4

 +2 ISH positive

0

 +3

0

Atypia diagnosis

 ADH

8

 LN

3

 ADH + LN

3

 AIDEP

1

  1. DCIS Ductal Carcinoma In Situ, ER Estrogen Receptor, PR Progesterone Receptor, HER2 Human Epidermal Growth Factor Receptor 2, ISH In Situ Hybridisation. Atypia abbreviations as Table 1.
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