claim: Jiang Wen is a film series.
evidence: Pralatrexate -LRB- brand name Folotyn -RRB- is an anti-cancer therapy .. It is the first drug approved as a treatment for patients with relapsed or refractory peripheral T-cell lymphoma , or PTCL -- a biologically diverse group of aggressive blood cancers that have a poor prognosis .. PTCL. Peripheral T-cell lymphoma