TNFRSF8 and mycosis fungoides: Relapsed and/or refractory systemic anaplastic large cell lymphoma (2011); Relapsed and/or refractory primary cutaneous anaplastic large cell lymphoma or CD30+ mycosis fungoides (2017); Classical Hodgkin lymphoma, systemic anaplastic large cell lymphoma, or CD30+ peripheral T‐cell lymphoma (2018)