MTOR and mature T-cell and NK-cell non-Hodgkin lymphoma: Treatment of PTCL patients with the inhibitors of PI3K/Akt/mTOR axis has been suggested by others, but, again, no data focused on LL are available (Martín-Sánchez et al., 2013; Blachly and Baiocchi, 2014; Islam et al., 2017; Horwitz et al., 2018).