1

1) 2) 3)

4) 2)

1)

2)

3)

4)

2

7 1 7

1 247

70%

25km ( 80% 72-

100%)

73

3

• ( 1)

•

1:

( 1975

2001 ,

)

576

90.5

9.5( , 19 3 , )

4

•

5

(1) :

1)

2

7

( ) 2) 1

2

1) The Editorial Board of the Cancer Statistics in Japan. CANCER STATISTICS IN JAPAN 2005. Tokyo: Foundation for Promotion of

Cancer Research (FPCR); September 10, 2005.

2) , JA JA

6

7

(2)

(

)

(3)

2

(1)

2

279 10 34.2

8

2:

(1)

( 3-A G)

70% 25km

( 80% 72-100%)

925km : 79 25km : 87

3. ( )

10

25km : 76 25km : 80

25km : 72 25km : 96

11

25km : 100

14325

241

45

9

13331

1920

47

11

A B

(1)

2 ( 4-A) ( 4-B)

12

. .

4.

(2) 23 ( 18 11 5-A)

20 17

1 1.0

15

( 5-B)

13

5.

. .

1)

(23.9 /10 )

70% 25km

2- C

14

2)

1.0 /

: 73

: 26

15

; 2

3)

4)

5)

16

17

,

,

1

H18 006

18