Six registries in five European countries covered breast, colorectal, cervical, stomach, liver and lung cancer from 2003 to 2017. First-generation migrants were compared with host populations, with birth countries grouped into quartiles of GLOBOCAN incidence. Cervical, stomach and liver risk rose with birth-country incidence, reaching about five times host cervical risk in Turin. Breast and colorectal risk was lower in every category; overall risk was lower in 9 of 11 registry-sex strata. Ukrainian-born migrants in Poland (n=4,450; 2022–2023) had higher cumulative risk than the host population at most sites. Risk grouping used national GLOBOCAN averages rather than individual exposures, and four registries cover single regions.
Why it is interesting: European cancer surveillance rarely records migration background, so national averages can hide high-risk subgroups. Migrants from high-incidence countries had up to five times the cervical risk of hosts near WHO elimination levels.
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