a comparison of the completeness of ascertainment achieved in recent years by each source of data showed that more than 98 % of the serious cases ( neoplasms that were malignant and/or lay within the craniovertebral canal ) could have been identified using a combination of hospital activity analysis ( haa ) and cancer registration records , and more than 95 % using haa and death records .
C0027651
neoplasms
C0006826
cancer