<prompt> A most malignant form of NHL is -Diffuse large cellSmall cell lymphocytic lymphomaMantle cell lymphomaLarge cell follicular  <response>: Diffuse large cell lymphoma is most malignant, amongst the options provided. Although Follicular large cell and Diffuse varieties are both classified in the intermediate grade of the working formulation of NHL in general, lymphomas with a follicular histological pattern are of a Lower grade longer survival times than those with a diffuse pattern.Following information have been added in 8th of RobbinsDiffuse large B-cell lymphoma is the most common form of Non-Hodgkin lymphoma. 