[Survival for digestive system tumors: Italian population-based data and international comparisons].
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Abstract
Survival for malignant tumour of the upper digestive tract, oesophagus, stomach and pancreas are analysed from the data of 5042 cases observed during the period 1976-1985 by the Italian cancer registries (CRs) of Varese, Latina, Ragusa and Florence. Three-year relative survival rates were 42% for patients with tumours of the upper digestive tract and 7% for those tumour of the oesophagus. Five-year relative survival for patients with stomach cancer was 20%. A worse prognosis was found for cases from the Latina and Ragusa CRs. One-year relative survival for patients with pancreatitic cancer was 17%. Younger age, histologic confirmation, period of diagnosis (for upper tract, stomach and pancreatitic cancers), and female gender (for tumours of the upper tract) resulted as positively associated to survival.