Table 1.

Incidence by year and histotype

ICCC3 Group	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
Ia.	107	90	98	90	92	80	101	82	75	60	49	33	11
Ib.	20	21	17	15	11	17	14	19	12	10	6	13	5
Ic, d, e,	7	12	12	11	4	8	3	4	6	9	7	10	7
IIa.	11	7	6	7	6	6	5	4	2	1	0	0	0
IIb, c, d, e.	22	18	29	21	11	19	16	14	14	15	7	5	3
IIIa.	7	9	15	8	6	10	6	10	8	7	5	6	3
IIIb.	39	35	32	27	39	31	31	33	21	13	11	7	3
IIIc.	15	15	25	16	20	20	15	12	8	9	8	9	4
IIId.	20	19	14	15	11	9	10	7	3	2	4	4	2
IIIe, f	30	20	15	18	12	15	6	10	7	9	8	7	4
IV.	26	27	31	22	29	31	32	42	32	33	30	20	19
V	20	13	16	18	5	13	12	12	16	15	17	15	7
VI.	23	16	31	28	11	29	22	20	28	27	13	14	6
VII.	3	8	9	5	7	7	7	9	8	9	3	5	2
VIII.	5	11	7	7	6	3	4	4	3	2	1	0	0
IX.	43	37	32	27	24	16	18	13	14	11	14	4	6
X.	8	11	15	12	10	12	7	14	7	6	8	11	6
XI.	18	9	6	4	3	5	4	4	1	0	4	1	1
XII.	4	7	7	1	2	4	0	2	2	2	4	2	0

International Classification of Childhood Cancer (ICCC3) Classification Key

Ia. Acute Lymphoid leukemias (ALL)

Ib. Acute myeloid leukemias (AML)

Ic, d, e, Other leukemias

IIa. Hodgkin lymphoma

IIb, c, d, e. Non-Hodgkin lymphoma

IIIa. Ependymoma and choroid plexus tumor

IIIb. Astrocytomas

IIIc. Intracranial and intraspinal embryonal tumors

IIId. Other gliomas

IIIe, f Other CNS tumors

IV. Neuroblastoma and other peripheral nervous cell tumors

V Retinoblastoma

VI. Renal tumors

VII. Hepatic tumors

VIII. Malignant bone tumors

IX. Soft tissue and other extraosseous sarcomas

X. Germ cell tumors, trophoblastic tumors, and neoplasms of gonads

XI. Other malignant epithelial neoplasms and malignant melanomas

XII. Other and unspecified malignant neoplasms (including uncoded)