In relapsed or refractory diffuse large B‐cell lymphoma, CD19 expression by immunohistochemistry alone is not a predictor of response to loncastuximab tesirine oleh Paolo F. Caimi, Mehdi Hamadani, Carmelo Carlo‐Stella, Masoud Nickaeen, Eric Jordie, Kiersten Utsey, Tim Knab, Francesca Zammarchi, Danilo Cucchi, Serafino Pantano, Karin Havenith, Ying Wang, Joseph Boni