Table 1 Tumour and treatment characteristics according to the histological type of the invasive breast carcinoma

From: High rates of breast conservation for large ductal and lobular invasive carcinomas combining multimodality strategies

 

Ductal ( N =672)

Lobular ( N =78)

 

Total

N

%

N

%

P

Age (DM=0)

<10−2

 Median (min–max) in years

46 (24–70)

49 (39–68)

 

Menopause (DM=0)

0.88

 Yes

167

25

20

26

 

 No

505

75

58

74

 

Clinical T stage (DM=0)

0.03

 T2

506

75

50

64

 

 T3

166

25

28

36

 

Clinical N stage (DM=0)

0.16

 N0

411

61

54

69

 

 N1

261

39

24

31

 

Tumour clinical maximal diameter (DM=0)

<10−3

 Median (min–max) in mm

40 (20–70)

50 (25–70)

 

Histological grade (DM=4)a

<10−3

 1

82

12

32

41

 

 2

332

50

30

38

 

 3

210

31

7

9

 

Mitoses per 10 HPF (DM=72)

<10−3

 (0–10)

129

21

53

80

 

 (11–21)

182

30

7

11

 

 ⩾22

291

48

6

9

 

Hormonal receptors (DM=118)

0.02

 ER+ and/or PR+

412

73

54

87

 

 ER−/PR−

158

28

8

13

 
  1. HPF=high-power field; DM=data missing.
  2. Menopause defined, for women with intact uterus, as 2 years of amenorrhea and for the others, biologically.
  3. Percentages were rounded, so, when added, the sum may not be exactly 100.
  4. aFifty-three tumours (44 ductal and 9 lobular) could not be evaluated.
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