RecruitingBiological interventionT-Cell Therapy (EB103) in Adults With Relapsed/Refractory B-Cell Non-Hodgkin's Lymphoma (NHL)This is an open-label, dose escalation, multi-center, Phase I/II clinical trial to assess the safety of an autologous T-cell therapy (EB103) and to determine the Recommended Phase II Dose (RP2D) in adult subjects (≥ 18 years of age) who have relapsed/refractory (R/R) B-cell NHL. The study will include a dose escalation phase followed by an expansion phase.