Cancer in Australia 1998 presents comprehensive national data on cancer incidence and mortality. The report provides 1998 data for cancers by site, age and sex, and summary data for each State and Territory. Incidence and mortality trends since the early 1980s, age patterns for selected cancers, comparisons with New Zealand cancer data and an analysis of cancers of unknown primary site are features of this report. The information in this report is supported by more detailed information for all cancer sites on the AIHW's web site www.aihw.gov.au. Cancer in Australia 1998 is an important reference from the Cancer Series for all those interested in the health of Australians.