Liquid biopsy‐based targeted gene screening highlights tumor cell subtypes in patients with advanced prostate cancer oleh Seta Derderian, Quentin Vesval, Michel D. Wissing, Lucie Hamel, Nathalie Côté, Marie Vanhuyse, Cristiano Ferrario, Franck Bladou, Armen Aprikian, Simone Chevalier