Siqi Liu is a PhD student in the Comprehensive Cancer Centre, School of Cancer & Pharmaceutical Sciences, King’s College London, supervised by Dr Anthony Kong and Dr Rachel Evans. Her research focuses on the development and application of patient-derived tumour–stroma–immune models to investigate tumour–microenvironment interactions and evaluate therapeutic responses in breast cancer. Prior to starting her PhD, Siqi completed an MRes in Translational Cancer Medicine at King’s College London with Distinction and worked as a Research Assistant in the Kong and Evans laboratories.