In this episode of TheHemOnc Pulse, Rahul Banerjee, MD, speaks with Francine Foss, MD, professor of medicine and dermatology at Yale School of Medicine, about the evolving landscape of T-cell lymphomas. Dr Foss discusses the unique challenges of studying and treating rare diseases such as cutaneous T-cell lymphoma and explains why real-world data are essential to closing evidence gaps. The conversation highlights the role of collaborative registries in tracking treatment patterns, outcomes, and access to care across community and academic settings. Dr Foss also shares how both clinicians and patients can participate in these efforts to strengthen research, inform future clinical trials, and improve outcomes for patients with T-cell lymphomas.