Genotype-guided Treatment in Newly Diagnosed PTCL

Inclusion Criteria: * Histologically-confirmed Peripheral T-cell lymphoma * Availability of archival or freshly collected tumor tissue before study enrollment enough for NGS * Evaluable lesion by PET-CT or CT scan * Eastern Cooperative Oncology Group (ECOG) Performance Status of 0, 1, or 2 * Life expectancy greater than or equal to (\>/=) 3 months * Informed consent Exclusion Criteria: * Patients with ALCL and cutaneous TCL * Patients with central nervous system (CNS) lymphoma * History of malignancies except for basal cell or squamous cell carcinoma of the skin or carcinoma in situ of the cervix * Uncontrolled cardio- and cerebro-vascular disease, blood clotting disorders, connective tissue diseases, serious infectious diseases and other diseases * Laboratory measures meet the following criteria at screening (unless caused by lymphoma): Neutrophils\<1.0×10\^9/L Platelets\<75×10\^9/L (Platelets\<50×10\^9/L in case of bone marrow involvement) ALT or AST is 2.5 times higher than the upper limits of normal (ULN), AKP and bilirubin are 1.5 times higher than the ULN. Creatinine is 1.5 times higher than the ULN. * HIV-infected patients * Active hepatitis infection * Patients with psychiatric disorders or patients who are known or suspected to be unable to fully comply with the study protocol * Pregnant or lactation * Other medical conditions determined by the researchers that may affect the study For T3 should exclude patiens with active autoimmune disease