<prompt> Answer this question truthfullyCan you provide an overview of Anaplastic Large Cell Lymphoma?  <response>: <reason> Anaplastic large cell lymphoma must be differentiated from other diseases such as metastatic carcinoma, B cell lymphoma, primary cutaneous T-cell lymphoma, rhabdomyosarcoma, peripheral T-cell lymphoma-not otherwise specified, classical Hodgkins lymphoma, and diffuse large B cell lymphoma. 