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Table 3 Characteristics of newly diagnosed female cancer patients with prior cancer

From: Increasing trends in the prevalence of prior cancer in newly diagnosed lung, stomach, colorectal, breast, cervical, and corpus uterine cancer patients: a population-based study

Index Cancer Site

Lung

Stomach

Colorectum

Breast

Cervix uteri

Corpus uteri

N

%

N

%

N

%

N

%

N

%

N

%

Total

1681

100

1582

100

1916

100

1588

100

206

100

542

100

Number of prior cancers before the index cancer

 1

1551

92.3

1488

94.1

1794

93.6

1507

94.9

191

92.7

510

94.1

 2

121

7.2

88

5.6

116

6.1

79

5.0

15

7.3

29

5.4

 3

9

0.5

6

0.4

5

0.3

2

0.1

0

0.0

3

0.6

 4

0

0.0

0

0.0

1

0.1

0

0.0

0

0.0

0

0.0

Diagnostic time intervala

  < 3 months

282

16.8

374

23.6

445

23.2

317

20.0

43

20.9

107

19.7

 3 months–1 year

188

11.2

151

9.5

173

9.0

177

11.1

28

13.6

38

7.0

 1–5 years

623

37.1

541

34.2

634

33.1

548

34.5

71

34.5

152

28.0

 5–10 years

373

22.2

324

20.5

421

22.0

357

22.5

40

19.4

156

28.8

 10–15 years

215

12.8

192

12.1

243

12.7

189

11.9

24

11.7

89

16.4

Stage of prior cancerb

 Localized

979

58.2

917

58.0

1155

60.3

882

55.5

105

51.0

300

55.4

 Regional lymph nodes

285

17.0

233

14.7

275

14.4

232

14.6

40

19.4

104

19.2

 Regional extension

185

11.0

174

11.0

202

10.5

212

13.4

15

7.3

66

12.2

 Distant metastasis

66

3.9

100

6.3

117

6.1

112

7.1

13

6.3

20

3.7

 Other or unknown

166

9.9

158

10.0

167

8.7

150

9.4

33

16.0

52

9.6

Treatment of prior cancerb

 Radiotherapy only

24

1.4

32

2.0

37

1.9

28

1.8

3

1.5

10

1.8

 Chemotherapy only

65

3.9

97

6.1

123

6.4

88

5.5

13

6.3

25

4.6

 Chemoradiotherapy

41

2.4

28

1.8

27

1.4

31

2.0

4

1.9

2

0.4

 Surgery only

784

46.6

747

47.2

860

44.9

848

53.4

89

43.2

217

40.0

 Surgery plus chemotherapy or radiotherapy

484

28.8

403

25.5

518

27.0

368

23.2

50

24.3

215

39.7

 Other or unknown

283

16.8

275

17.4

351

18.3

225

14.2

47

22.8

73

13.5

Site of prior cancerb

 Mouth and pharynx

50

3.0

32

2.0

29

1.5

39

2.5

4

1.9

8

1.5

 Esophagus

24

1.4

62

3.9

26

1.4

27

1.7

2

1.0

1

0.2

 Stomach

239

14.2

–

–

445

23.2

250

15.7

31

15.0

29

5.4

 Colon

203

12.1

320

20.2

–

–

252

15.9

22

10.7

46

8.5

 Rectum

95

5.7

132

8.3

–

–

133

8.4

13

6.3

19

3.5

 Liver

48

2.9

104

6.6

93

4.9

58

3.7

9

4.4

3

0.6

 Gallbladder and bile duct

14

0.8

36

2.3

35

1.8

13

0.8

2

1.0

6

1.1

 Pancreas

30

1.8

31

2.0

28

1.5

13

0.8

0

0.0

4

0.7

 Larynx

13

0.8

2

0.1

4

0.2

2

0.1

3

1.5

0

0

 Lung

0

0.0

96

6.1

151

7.9

155

9.8

12

5.8

25

4.6

 Melanoma of skin

1

0.1

3

0.2

3

0.2

3

0.2

0

0.0

1

0.2

 Other skin

27

1.6

42

2.7

39

2.0

30

1.9

3

1.5

12

2.2

 Mesothelioma

1

0.1

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

 Breast

485

28.9

378

23.9

528

27.6

–

–

54

26.2

253

46.7

 Cervix uteri

72

4.3

61

3.9

62

3.2

100

6.3

0

0.0

23

4.2

 Corpus uteri

66

3.9

45

2.8

108

5.6

132

8.3

12

5.8

0

0.0

 Uterus

6

0.4

3

0.2

5

0.3

7

0.4

2

1.0

1

0.2

 Ovary

46

2.7

25

1.6

56

2.9

60

3.8

4

1.9

44

8.1

 Bladder

27

1.6

27

1.7

38

2.0

23

1.4

4

1.9

10

1.8

 Renal and urinary tract

49

2.9

26

1.6

67

3.5

51

3.2

7

3.4

12

2.2

 Brain and central nervous system

6

0.4

4

0.3

3

0.2

1

0.1

0

0.0

3

0.6

 Thyroid

86

5.1

40

2.5

68

3.5

131

8.2

1

0.5

17

3.1

 Hodgkin lymphoma

4

0.2

1

0.1

3

0.2

1

0.1

1

0.5

0

0.0

 Non-Hodgkin lymphoma

38

2.3

56

3.5

50

2.6

48

3.0

8

3.9

15

2.8

 Immunoproliferative diseases

0

0.0

0

0.0

1

0.1

1

0.1

0

0.0

0

0.0

 Myeloma

2

0.1

9

0.6

12

0.6

7

0.4

2

1.0

2

0.4

 Lymphoid leukemia

4

0.2

2

0.1

2

0.1

1

0.1

2

1.0

0

0.0

 Myeloid leukemia

4

0.2

7

0.4

8

0.4

9

0.6

1

0.5

2

0.4

 Others

41

2.4

38

2.4

52

2.7

41

2.6

7

3.4

6

1.1

  1. Values are expressed as the number of patients and column percentage
  2. aInterval between the diagnostic dates of the most recent prior cancer and index cancer
  3. bMost recently diagnosed prior cancer