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We demonstrate a transnationally situated dialogue as a method to bring ethnographic and historical research in Brazil, East Africa (Kenya, Tanzania and Uganda), India, Russia and Spain into conversation to show three cancer epistemics sites (research, detection, and care access) where the politics of cancer epistemics are at play. First, in the field of research, we show how certain ways of knowing, and certain questions about and interests in cancer, are privileged over others. Using examples from Spain and East Africa, we highlight how a shift towards microbiological and high-technology research has outpriced many more locally grounded research agendas, ignoring questions of industrial and capital accountability in cancer aetiology. Second, we look at ways of making cancer visible, how knowledge is mobilised in cancer detection and screening, where and for whom. We discuss the increased individualisation of risk which is reframing cancer surveillance and therapeutic agendas. Using examples from India, Spain and Brazil, we demonstrate how the epistemics of cancer detection generate discourses of blame and responsibility at the individual level and accentuate existing inequities whilst simultaneously absorbing patients and their families into complex networks of surveillance. Lastly, we examine how the epistemics of cancer implicate the very possibilities of accessing cancer care, shaping care pathways and possibilities for patients. With ethnographic examples from India, Russia and Brazil, we demonstrate how an orientation towards the individual shifts attention away from the commercialisation of healthcare and dominance of logics of profit in therapeutics. Throughout the paper, we point towards what is holding these cancer discourses together and grapple with how the politics of cancer epistemics are at play across the globe, even if they appear to be taking many different forms. Our approach highlights how practices are mirrored in the framing, implementation, detection and care of cancer with far-reaching effects., (Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.)

The paper analyses illness experiences of breast cancer in women undergoing treatment at the Hospital of Cancer III of the National Institute of Cancer. It argues that part of the interviewed women's experience was constructed from the interaction between family coexistence and the mobilisation of different cultural meanings of the disease and femininity, negotiating senses for biomedical entities. The study results from a qualitative research of ethnographic inspiration that interviewed women undergoing treatment from breast cancer during 2015. It draws on the accounts to discuss the interaction of society with biomedical entities for the significance of cancer in Brazil between the 1990s and 2010s.

This study discusses actors and institution movements leading to the disclosure in 2014 of Resolution 199 by the Brazilian Ministry of Health, which establishes the National Policy for the Comprehensive Care of Persons with Rare Diseases. Taking as sources the mainstream newspapers, drafts law, and secondary literature on the subject, we begin our analysis in the early 1990s when the first patient associations were created in Brazil - mainly for claiming more funds for research on genetic diseases - and arrive at the late 2010s when negotiations for a national policy are taking place in the National Congress. Resolution 199 is part of an ongoing process and the path towards its disclosure and the complications that followed have given us elements to discuss contemporary aspects of the Brazilian public health. Based on the references of the history of the present time and the social studies of science, we argue that two aspects have been fundamental to creating a national policy: framing different illnesses within the terminology "rare diseases" and the construction of a public perception about the right of health which is guaranteed by the 1988 Brazilian Constitution.

Mammographic screening for breast cancer is a widely used public health approach, but is constantly a subject of controversy. Medical and historical research on this topic has been mainly conducted in Western Europe and North America. In Brazil, screening mammography has been an open topic of discussion and a challenge for health care and public health since the 1970s. Effectively, Brazilian public health agencies never implemented a nationwide population-based screening programme for breast cancer, despite the pressures of many specific groups such as advocacy associations and the implementation of local programmes. This article examines the complex process of incorporating mammography as a diagnostic tool and the debates towards implementing screening programmes in Brazil. We argue that debates about screening for breast malignancies, especially those conducted in the late twentieth and early twenty-first centuries, took place in a context of change and uncertainty in the Brazilian health field. These discussions were strongly affected both by tensions between the public and the private health care sectors during the formative period of a new Brazilian health system, and by the growing role of civil society actors. Our study investigates these tensions and their consequences. We use several medical sources that discussed the topic in Brazil, mainly specialised leading oncology journals published between 1950 and 2017, medical congress reports for the same period, books and theses, institutional documents and oral testimonies of health professionals, patients and associations collected in the framework of the 'The History of Cancer' project from the Oswaldo Cruz Foundation and Brazilian National Cancer Institute., (© The Authors 2019.)

This article addresses the shaping of cancer as a relevant medical and social problem in the Brazilian state of Ceará from 1940 to 1954. While this disease initially garnered little importance on the local medical and health agenda, and was considered a problem for philanthropy, a group of physicians and allies brought cancer to the public health agenda and led to the Campaign Against Cancer in 1954. This group's ability to unite internal and external allies with a broader reach portrayed cancer as a relevant medical and social problem in Ceará. We demonstrate this new portrayal in medical articles, institutional documents, biographies, newspapers, and other documents produced on and by the characters involved with anticancer activities in Ceará.