Population studies using data of Population-Based Cancer Registries (PBCR) have often been used to infer hypotheses about the etiology of cancer, risk factors, and prognostic factors. Population-based cancer survival is a metric that can help evaluate whether all people had access to effective treatment services. The objective of this study is to establish surveillance of cancer survival and trends in survival over the 18-year period (2000-2017) among patients diagnosed with cancer in the region of Barretos (São Paulo state, Brazil). To estimate long-term survival patterns and trends, vital statistics of patients diagnosed with cancer during 2000-2017 were obtained from the PBCR-Barretos and life tables for registry's territory from the Official Federal Database. In cooperation with SEADE Foundation (Thematic project - FAPESP process: 2017/03787-2), PBCR-Barretos data were linked (deterministic linkage) with the database of death to update the last information about the patient. The study will include 15 type of cancers or groups of cancers: breast (only for women), cervix, colorectal, liver, lung, skin melanoma, oesophagus, ovary, pancreas, prostate, and stomach in adults (15-99 years); brain tumors, myeloid and lymphoid malignancies, and leukemias (all cases).
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