Doxorubicin is a DNA damaging agent that induces apoptosis in ALK+ ALCL cell lines [36], and is one component of the CHOP (cyclophosphamide, hydroxydaunorubicin (doxorubicin), oncovin, and prednisone) chemotherapy regimen often used to treat ALK+ ALCL patients [37–39]. Here, ALK is linked to anaplastic large cell lymphoma.