Progress in cancer survival across last two decades: A nationwide study of over 1.2 million Polish patients diagnosed with the most common cancers
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- Title: Progress in cancer survival across last two decades: A nationwide study of over 1.2 million Polish patients diagnosed with the most common cancers
- Author: Florentino Luciano Caetano dos Santos *, Urszula Wojciechowska, Irmina Maria Michalek, Joanna Didkowska
- Publication: Clinics in Laboratory Medicine
- Publisher: Elsevier Inc
- Year: 2022
- Language: English
- Pages: 6
- Format: PDF
- File size:1,176KB
- DOI: 10.1016/j.canep.2022.102147
- CBID: CBR248
Abstract
Background
The purpose of this study was to estimate the high incidence cancers survival in Poland between 2000 and 2018, with the following aim to monitor the national polish cancer control program 2020–2030 effectiveness. We calculated survival in cancer of lung, breast, prostate, colon, rectum, ovarian, cervical cancers, and skin melanoma.
Methods
Data were obtained from the Polish Cancer Registry (PLCR). We estimated age-standardized 5-year net survival (NS) with the life table method and the Pohar-Perme estimator using the International Cancer Survival Standard weights. The corresponding 95% confidence intervals (95% CI) were estimated with log transformation.
Results
Overall, 1,288,944 high incidence cancer cases were included in the study (622,486 men and 666,458 women). In 2015–2018 age-standardized 5-year NS was 85.2% (95% CI = 84.6% to 85.8%) in prostate cancer, 80.0% (79.5% to 80.4%) breast cancer, 77.3%
(76.4% to 78.1%) melanoma, 58.5% (57.5% to 59.5%) cervical cancer, 57.9% (57.3% to 58.5%) colon cancer, 52.1% (51.3% to 52.9%) rectal cancer, 43.3% (42.4% to 44.3%) ovarian cancer, and 17.8% (17.4% to 18.1%) for lung cancer. Between the 2000–2004 and 2015–2018 the highest increase in survival was noted for prostate cancer (14.6% points [pp]; from 70.6% to 85.2%) and the lowest for lung cancer (4.5 pp; from 13.3% to 17.8%).
Conclusion
Cancer survivorship has been consistently improving during the last two decades. Notwithstanding these overall encouraging results, more extraordinary efforts are needed to close the cancer survival gap in Poland.
Highlights
- • In the last two decades, cancer survivorship in Poland has been improving.
- • The greatest improvement was found for prostate cancer and skin melanoma.
- • Lung cancer survivorship represented the smallest improvement.
- • Efforts are needed to close the survival gap to other European countries.
1
Background
Cancer burden is increasing worldwide due to the population growth and aging and the increase in the prevalence of various cancer risk factors, such as tobacco smoking, unhealthy eating habits, lack of energy balance, obesity, excessive alcohol consumption, and cancer-related viral infections . In 2018, in Europe, the estimated number of new cancer cases was 3.9 million, and cancer-caused deaths was 1.9 million . Poland contributed to these numbers with around 167 thousands new cancer cases and 101 thousands cancer deaths .
To address the increasing cancer burden and meet the 2030 United Nations Sustainable Development Goals to reduce premature mortality due to non-communicable diseases, efficient national cancer control programs are needed. In 2020, the Polish parliament released a new National Strategy for Oncology 2020–2030, aiming to strengthen evidence-based prevention and provide early cancer diagnosis, population screening programs, optimal treatment, and palliative care. The program also aims to increase cancer survivorship and promotes cancer monitoring through cancer registries .
Turning national cancer control programs into measurable observations can be achieved exclusively by organized, comprehensive, and fair implementation supported by suitable funding. During the last half-century, population-based cancer registries became a backbone in storing, presenting, and analyzing data for cancer control programs’ prioritization and monitoring their implementation progress.
The overarching goal of this paper is to present a cancer survival snapshot of Poland in 2020, with the subsequent purpose to monitor the national Polish cancer control program effectiveness during the next decade. We estimated survival in eight high incidence cancers, namely lung, breast, prostate, colon, rectum, ovary, cervix uteri, and melanoma of skin, in patients diagnosed between 2000 and 2018. These neoplasms together account for more than 50% of malignant tumors in Poland.
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