Women who are making decisions about treatment for early stage breast cancer interact with a number of people when they are considering their treatment options and the impact breast cancer will have on their lives. Previous research has considered patient preferences for involvement in treatment decision‐making and proposed factors that may influence breast cancer treatment decisions. However, to date, there has been a paucity of research focusing on the experience of making treatment decisions from the women's perspective. The aim of this paper is to describe the relationships between the women, the medical practitioners and other people, and to consider features that may be influential in the experience of making treatment decisions. Two models are proposed to represent concepts that are linked to the experience of making treatment decisions. The first model proposed has been formulated to represent factors that may influence the treatment decision. The second model highlights aspects of the women's lives that may be affected. This paper discusses concepts that are presented in the conceptual models and makes suggestions for future studies relating to the experience of making treatment decisions for women with breast cancer.