Table A1.

Estimate of the number of cases of cancers for which no national data are available.

Cancer	Results	Justification, Reference
Nasopharyngeal cancer	8.7% (M), 6.9% (F) of oral and pharyngeal cancers	Based on distribution of incidence of subtypes of oral and pharyngeal cancer in 5 Italian cancer registries * [88]
Sinonasal cancer	8.8% (M), 33.3% (F) of laryngeal cancer	Based on ratio between sinonasal and laryngeal cancer in 5 Italian cancer registries * [88]
Laryngeal cancer	33.5% of UADT cancer incidence	Mortality available from AIRTUM [89]. Incidence based on distribution of mortality from UADT cancer [88]
Mesothelioma	5.3% of lung cancer mortality	Incidence available from AIRTUM [89]; mortality based on ratio between incidence of lung cancer and mesothelioma

* Milan; Veneto Region; Modena; Naples; Eastern Sicily. UADT: Upper aerodigestive tract.