The "Tumour Targeting, Imaging, Radiotherapies" network of the Cancéropôle Grand-Ouest is pleased to announce its fifteenth international workshop dedicated to young researchers (PhD students and post-docs) even so experienced researchers are invited to participate, which will take place from the 5th to 8th of October 2022 in Erquy, West of France. The 15th international workshop edition entitled "New Modalities in Cancer Imaging and Therapy" will confront the points of view and issues of various research fields such as Chemistry, Biology, Physics, Medicine, Computer science, involved in the development of molecular and external beam radiotherapies in Oncology.