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Cancer Survival for Selected Cancers in Türkiye (2008-2017): A Population-Based Study
Mariam Zahwe1, Sultan Eser2, Aude Bardot1
1Cancer Surveillance Branch, International Agency for Research on Cancer, Lyon, France.
International Journal of Cancer
|July 1, 2026
Summary
Cancer survival in Türkiye improved significantly for common cancers like breast, prostate, and colorectal between 2008-2017. However, regional disparities persist, with thyroid cancer showing high survival rates and lung cancer remaining low.
Area of Science:
- Oncology
- Public Health
- Epidemiology
Background:
- Cancer survival rates are crucial indicators of healthcare system effectiveness.
- Türkiye has established population-based cancer registries (PBCRs) to monitor cancer trends.
Purpose of the Study:
- To estimate population-based cancer survival for major cancers in Türkiye over a decade.
- To investigate provincial variations in cancer survival rates.
- To identify trends and disparities in cancer survival across Türkiye.
Main Methods:
- Utilized data from eight PBCRs in Türkiye (2008-2017).
- Focused on five common cancers: lung, breast, colorectum, prostate, and thyroid.
- Estimated 5-year age-standardised relative survival (ASRS) by age, sex, and disease extent.
Main Results:
- Five-year ASRS increased by 1.4–4.6 percentage points for most cancers, notably breast, prostate, and colorectal.
- Thyroid cancer demonstrated the highest 5-year ASRS (>89%), while lung cancer had the lowest (~10%).
- Significant provincial disparities were observed, with Antalya and Trabzon showing higher survival and Erzurum limited improvement.
Conclusions:
- Cancer survival in Türkiye has improved, likely due to advancements in cancer care.
- Persistent regional inequalities necessitate targeted interventions and policy adjustments.
- Further efforts are required to address disparities and ensure equitable cancer outcomes across all provinces.
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