TABLE 1.

Number of Major Childhood Cancer Cases by Country

Childhood Cancer	Country
	Denmark (1977–2010)	Finland (1987–2010)	Norway (1967–2009)	Sweden (1973–2009)	Total (1967–2010)
Wilms tumor	166	160	222	413	961
Retinoblastoma	90	64	139	193	486
CNS tumor	1006	650	1363	2144	5163
Bone tumor	149	58	174	239	620
Connective/soft tissue tumor	139	111	151	311	712
Lymphoma	265	148	269	715	1397
ALL	923	685	1033	1680	4321
AML	146	88	174	260	668
Other	791	572	988	1019	3370
Total	3675	2536	4513	6974	17 698