Europe has 32 versions of breast screening. The highest-uptake ones keep GPs out

Europe has common recommendations on the age range and frequency of breast cancer screening. It does not have common results. Participation varies substantially between countries, and a comparative survey published in the European Journal of General Practice sets out to explain why by examining something usually treated as a detail: who, in each system, is responsible for getting a woman to her appointment [s1].

The finding is counterintuitive, and the authors are appropriately careful about it.

The survey

The study is a cross-sectional survey covering 32 countries [s1]. Key informants with relevant expertise answered online questions about the characteristics of their national screening programmes and about the role general practitioners play in them, with responses refined through an iterative consensus process [s1]. Data were then examined to identify patterns in GP engagement [s1].

This is a survey of experts describing systems, not a measurement of what happens to individual women. It captures how programmes are designed and understood by people who know them, which is useful for structural comparison and weak for anything requiring precision.

What varies

Most of the 32 countries had population-based screening — the model in which a registry identifies eligible women and invites them directly [s1]. Four countries still relied on opportunistic screening, in which a woman gets screened because she or a clinician thinks of it [s1].

GP involvement split the field. In 15 countries, GPs had little or no involvement in the breast screening process [s1]. In 13 countries, GPs had some involvement, which could include identifying eligible patients, issuing referrals, and following up results [s1]. The survey's published summary characterises those two groups; it does not describe every country in the sample.

Few countries linked GP engagement to incentives or performance measures [s1]. Where family doctors were expected to do screening work, in other words, they were mostly not paid or measured for it.

The counterintuitive part

Screening uptake tended to be higher in countries with well-established population-based programmes that give GPs little or no involvement [s1].

The obvious reading — that involving family doctors depresses participation — is almost certainly the wrong one. The more plausible interpretation is about what GP involvement is a marker of. Countries with mature, centrally organised call-and-recall systems do not need GPs to identify eligible women, because a registry does it. Countries without that infrastructure lean on primary care to fill the gap. GP involvement may be a symptom of a weaker screening backbone rather than a cause of lower uptake.

A cross-sectional survey of 32 countries cannot distinguish those explanations, and the study does not claim to. Confounding here is severe: countries differ in health system funding, registry quality, cultural attitudes to screening, and the density of radiology services, and none of that is controlled for.

The authors' own conclusion follows the ambiguity rather than resolving it. Countries with lower screening uptake, they suggest, should consider either enhancing GP involvement or transitioning to a structured, population-based system [s1]. Those are opposite prescriptions, offered as alternatives — which is an honest reflection of what the data supports.

The second layer of variation

Organisational structure is not the only thing that differs across the continent. A separate mixed-methods study published in Radiography examined supplementary screening for women with dense breasts across Europe, and found marked variation in access, protocols and reporting [s2].

Women with dense breasts have both increased breast cancer risk and reduced mammographic sensitivity, which contributes to more interval cancers and delayed diagnosis [s2]. Supplementary modalities — MRI, digital breast tomosynthesis and ultrasound — improve detection, but their integration into organised screening programmes remains inconsistent across Europe [s2].

That study combined a systematic review, interviews with European screening professionals, and a pan-European online survey of awareness, current practice and readiness [s2]. The barriers it identified were practical rather than ideological: lack of clear guidance, inconsistent density assessment and communication, limited infrastructure and equipment, workforce and training gaps, and organisational pressure [s2]. Most professionals surveyed said they would be willing to adopt risk-stratified supplementary screening given adequate resources, education and policy support [s2].

Its recommendations are standardised density reporting, harmonised guidelines, targeted training and strategic investment in imaging services [s2].

What this means for a reader

For a woman in Europe, the practical implication is that the screening she is offered — whether she is invited at all, whether her breast density is assessed or communicated, and whether anything additional follows if it is high — depends heavily on which country she lives in, and that this variation is not the product of differing evidence [s1][s2]. Neither study establishes which arrangement produces better outcomes in terms of cancers found or deaths avoided. Both measure process, not results.

That is the gap worth watching. Uptake is a proxy, and a coarse one; a programme can have high participation and still perform poorly on interval cancers. The European datasets capable of linking programme design to mortality exist in fragments across national registries, and neither of these studies attempts that link.

Sources

• [s1] Breast cancer screening in Europe and the role of general practitioners: A 32-country comparative survey — European Journal of General Practice, published online 24 June 2026. https://doi.org/10.1080/13814788.2026.2689646
• [s2] Supplementary breast cancer screening in women with dense breasts across Europe: A mixed-methods study to inform harmonised policy and practice — Radiography, published online 28 July 2026. https://doi.org/10.1016/j.radi.2026.103520