Table 1

Sources of notification for cancers diagnosed 1971–89

Source of notification		Year when registrations were obtained		Age range (y) of patients registered	Cancers notified by this source
Source of notification		Year when registrations were obtained		Age range (y) of patients registered	Total number	Not notified by NHSCR number (%)
Primary source:
NHSCR cancer registrations:
NHSCR registry books	1992, 1995	All ages	694^7-150	—
Centralised Health Registration Information System	1995, 1999
Additional sources:
1 Northern Region Young Persons' Malignant Disease Registry	1997	0–24	336	34 (10)
2 Manchester Children's Tumour Registry	1992	0–14	11	1 (9)
3 National Registry of Childhood Tumours and Oxford Survey of Childhood Cancers^7-151	1993/94	0–14	183	18 (10)
4 Northern Region Cancer Bureau	1993	All ages^7-152	288	18 (6)
5 North Western Regional Cancer Registry	1994	All ages^7-152	22	1 (5)
6 NHSCR death registrations:
NHSCR registry books	1992, 1995	All ages	352	14 (4)
Centralised Health Registration Information System	1995, 1999
Total notified by all sources			740	46 (6)

↵7-150 This includes only cases confirmed on review to be malignant. NHSCR notified us of 26 further cases with morphology codes indicating malignancy that were reclassified on review as non-malignant.
↵7-151 Registrations of cancers for Cumbrian born children, recorded by Oxford Survey of Childhood Cancers, were obtained via National Registry of Childhood Tumours.
↵7-152 Only cases over age 15 years and for whom place of birth was known and identified to be Cumbria were notified to us.