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Table 1 Histologic characteristics of feline mammary adenocarcinomas

From: Feline mammary basal-like adenocarcinomas: a potential model for human triple-negative breast cancer (TNBC) with basal-like subtype

Case

Patterns*

Nuclear grade

% Tubules

Mitoses/ 10 HPF

Grade

Necrosis

Micro-calcifications

Lymphocytie infiltrates**

1

CY, SO, CR

2

60

45

2

Y

N

PT 1

2

SO, TU

2

80

47

2

Y

N

0

3

TU, SO, PA

2

70

54

2

Y

N

PT 2

4

TU, PA

1

80

7

1

Y

Y

PT 1

5

TU, SO

2

70

65

2

Y

N

PT 1

6

SO, TU, CY

2

50

48

2

Y

N

0

7

SO, PA

3

5

20

3

N

N

PT 2

8

TU, CR

2

90

12

2

Y

N

0

9

SO, CY

3

5

56

3

Y

N

PT 1

10

TU, SO, CY

3

80

22

3

Y

N

PT 1

11

TU

3

90

25

2

Y

N

PT 1

12

TU, SO

3

75

18

2

Y

N

PT 1

13

SO, CY

3

10

28

3

Y

N

0

14

TU, SO

3

60

70

3

N

N

0

15

TU

3

90

25

2

Y

N

PT 1

16

CY, TU

2

70

62

2

Y

Y

0

17

PA

2

90

12

2

Y

N

0

18

TU, SO

2

70

45

2

Y

N

0

19

PA

1

90

12

1

N

N

0

20

PA, TU, CY

2

80

42

2

Y

N

PT 2

21

PA

2

90

24

2

Y

N

PT 2

22

SO, TU

2

20

12

2

Y

N

PT 1

23

TU, PA

3

70

52

3

Y

N

PT 1

24

SO, CY

3

5

90

3

Y

N

PT 2

  1. *CY cystic, SO solid, TU tubular, PA papillary.
  2. **PT peritumoral.