Group for Cancer Epidemiology and Registration in Latin Language Countries
50th Group for Cancer Epidemiology and Registration in
Latin Language Countries Annual Meeting
GRELL 2026
13th to 15th May
Dijon
France
13
14
15
GRELL 2026 50th Scientific Conference 14th May
08:15 – 09:00
Registration, Posters visit & Exibition area
Claudine Backes (GRELL SC Luxembourg, GRELL president)
Marc Maynadié (Registre des Hémopathies Malignes de Côte d'Or)
Anne-Marie Bouvier (Registre Bourguignon des Cancers Digestifs)
Sandrine Dabakuyo (Registre des Cancers du Sein et autres Cancers Gynécologiques de Côte d’Or)
Valérie Jooste (GRELL SC France, Registre Bourguignon des Cancers Digestifs)
Norbert Ifrah (Institut National du Cancer, recorded)
09:00 – 09:15
Opening of GREEL 2026
09:15 – 10:00
Franco Berrino​
History of research into diet and breast cancer
10:00 – 11:00
SESSION 1 - Epidemiological and clinical use of cancer registry data #1
Moderators: Michel Velten (Registre des cancers du Bas-Rhin) | Koen van Herck (GRELL SC Belgium)
A Bernasconi Impact of exclusion of adolescents and young adults with cancer from clinical trials in Europe: Epidemiological estimates from the EUROCARE-6 project
C Spychala Measuring cancer inequities after incarceration: population-based deterministic linkage in Geneva.
F Didonè Health-System and Economic Contexts in Neuroblastoma: Findings from the BENCHISTA Projec.
J Deloumeaux Contribution of Population-Based Cancer Registries to the Assessment of Cancer Incidence in an Occupational Cohort Exposed to Pesticides in the French Caribbean
11:00 – 11:30
Coffee break, Posters visit & Exibition area
11:30 – 12:15
SESSION 2 - Data quality
Moderators: Anne-Sophie Woronoff (Registre des Tumeurs du Doubs) | Marianna de Camargo Cancela (GRELL SC Brasil)
M Sousa Completeness and Quality Assessment of the Portuguese National Cancer Registry: Insights from Mortality Data Comparison.​
T Martins Ramos Integrating Patient Navigation into Population-Based Cancer Registries: A Strategy to Improve Data Quality.​
M Dioguardi Mapping National Health Information Systems from a Cancer Registry Perspective: Availability and Accessibility of Cost-Related Data
12:15 – 12:45
FLASHTALKS: 5 parallel sessions of 5 flash talks each
SESSION 1 - Epidemiological and clinical use of cancer registry data #1
Moderators: Adrien Guilloteau (Registre des Hémopathies Malignes de Côte d'Or) | Anne Cowppli-Bony (GRELL SC France)
F Cardoso A clinical and policy double-whammy: using registry data to improve advanced breast cancer care ​
P Roura-Poch Trend of cancer incidence and 1-year mortality in Osona county (NEast Spain), 2005-2020 ​
G Bargues-Navarro Pancreatic cancer in Europe: Using the European Cancer Information System ​
J Preisig Melanoma in Switzerland: A comparison across age groups using Swiss cancer registry data.
SESSION 2 - Epidemiological and clinical use of cancer registry data #2
Moderators: Jérémy Barben (Registre des Cancers du Sein et autres Cancers Gynécologiques de Côte d’Or) | Marianna de Camargo Cancela (GRELL SC Brasil)
F Giudici A Population-Based Study of Mortality Causes Following Early-Stage Breast Cancer in North-Eastern Italy
L Ortelli Quality indicators for lung cancer care: a population-based study in southern Switzerland, 2023-2024
S Guzzinati Care patterns for non-metastatic, HER2-negative, estrogen receptor-low breast cancer patients in Northeast Italy
R de Souza Reis Temporal Trends in Cancer Incidence Among Younger and Older Adults in Brazil: Evidence from Population-Based Registries
N Grevet Variable Selection of Biomarkers in an Illness-Death Model for Acute Myeloid Leukemia Using Group Lasso Penalized Multi-State Regression
SESSION 3 - New methods, innovation and AI applications
Moderators: Zoe Uhry (Santé Publique France, Hospices Civils de Lyon) | Houda Boukheris (GRELL SC Algeria)
A Andreotti Applying the EPICOST Model in European Countries: A Multinational Pilot Study within the Joint Action Prevent NCD
C Cavallera Rodriguez Reengineering Cancer Registration: Seven Years of Evolution Toward an Intelligent Data Validation Ecosystem
A Ribeiro Implementation of a Web-Based Platform for Hospital Cancer Registration and Surveillance in São Paulo State, Brazil
A Mele Clinical pathways in natural language for the automated assignment of topography and morphology (PATH Finder): highlighting the importance of healthcare data sources
L Cacciani Costs related to thyroid cancer in three Italian cancer registries
SESSION 4 - Survival and Incidence
Moderators: Claire Poulalhon (French national registry of childhood cancer) | Marià Carulla (GRELL SC Spain)
T Hounou Trends in ovarian cancer incidence: overall analysis and by histological subtype based on data from the Calvados General Tumor Registry
V Di Carlo Short-term breast cancer survival 2015-2018 in 35 countries world-wide, by age, stage and subtype (VENUSCANCER)
C Pino Rosón Epidemiology of HPV-related tumours by stage at diagnosis and socioeconomic status among women in Madrid, Spain
M Guevara Cancer survival trends in adults in Spain, 2008–2017: a population-based study of the Spanish Network of Cancer Registries (REDECAN)
Q Wang Liver Cancer Survival in French Guiana (2003-2018): A Population-Based Study
Moderators: Gautier Defossez (Registre Vaudois des Tumeurs) | Sébastien Lamy (GRELL SC France)
SESSION 5 - Screening, social inequalities, data quality
C Buzzoni Prostate biopsy during follow-up of 400,000 asymptomatic men undergoing PSA testing in Milan
P Pinheiro Marriage and Cancer Incidence in the US: A Contemporary Population-Based Study
M de Camargo Cancela Determinants of missing stage in esophageal, stomach and colorectal cancers in Brazil: analysis of 317 hospital-based cancer registries
S Rigoni Data Quality Improves Toronto Stage Consistency in BENCHISTA Phase 2
T Systchenko The value of genetic biology to improve the completeness of data registration for myeloproliferative neoplasms.
12:45 – 14:00
Lunch break, Posters visit & exhibition area
14:00 – 15:00
SESSION 3 - Incidence, Survival
Moderators: Anne-Marie Bouvier (Registre Bourguignon des Cancers Digestifs) | Marcela Guevara (GRELL SC Spain)
G Gatta The impact of stage at diagnosis in cancer survival by sex .
V Jooste Increasing incidence of early-onset colorectal cancer: impact of epidemiological classification changes​.
C Allemani Measuring progress towards the WHO GICC target an international Cancer Survival Index (CSI) from CONCORD-4
E Desandes Trends in the Incidence of Central nervous system (CNS) tumors among Children between 2000-2020: a study based on the French National Childhood Cancer Registry
15:00 – 16:00
CELEBRATING THE 50th GRELL SCIENTIFIC MEETING & GRELL GENERAL ASSEMBLY
Pascale Grosclaude (GRELL), Franco Berrino (GRELL), Jean-Michel Lutz (GRELL), Liesbeth Van Eycken (ENCR+IACR).
M Carulla The impact of GRELL cancer registries data: Who uses our data? A bibliometric analysis.
15:30 – 16:00
Coffee break, Posters visit (and cake)
17:15 – 18:00
SESSION 4 - Epidemiological and clinical use of cancer registry data #2
Moderators: Anne-Marie Bouvier (Registre Bourguignon des Cancers Digestifs) | Marcela Guevara (GRELL SC Spain)
N Le Stang Exploratory spatial analysis of cancer risk among people under 25 years old in Charente, a top-down approach.
G Silversmit Can spatial analysis of cancer incidence risk be interesting for your cancer registry? Results from Belgium.
Z Ngandjon Evaluating Comparability, Completeness, Validity, and Timeliness of Luxembourg’s Cancer Registry Data
A Cunha Cancer incidence in Latin America and the Caribbean: an analysis based on population-based registrie.
J Galceran National estimates of cancer incidence in Ecuador, 2022
17:15 – 18:00
SESSION 5 - Result from new Cancer Registries
Moderators: Anne-Marie Bouvier (Registre Bourguignon des Cancers Digestifs) | Marcela Guevara (GRELL SC Spain)
H Boukheris Celebrating 10 years of National Cancer Registration in Algeria (2014-2023): A Milestone in Cancer Surveillance
C Mendonça Cancer Profile in Cape Verde: Report from the Population-Based Cancer Registry (ROCV) 2022-2024
E Muachissengue Establishing a Cancer Registry in Huila, Angola: Initial Results (2022-2023)
19:00
GALA DINNER - Cellier de Clairvaux - 27 Bd de la Trémouille, 21000 Dijon