Editorial Commentary: Should "heterogeneous response" be considered as new category for assessing treatment response in patients with breast cancer? - Vaz, Sofia C.; Groheux, David; van Nijnatten, Thiemo; Antunovic, Lidija; Cardoso, Fatima; Mottaghy, Felix; Cardoso, Maria Joao; Riedl, Christopher; de Geus-Oei, Lioe-Fee; Ulaner, Gary A. (European Journal of Nuclear Medicine & Molecular Imaging, 2025)