<prompt> A 17 year old female underwent a FNAC for a lump in the breast which was well defined, non-tender and mobile. The diagnosis of a benign lesion can be considered by which of the following pathological features -Dyscohesive ductal epithelial cells without cellular fragmentsTightly arranged ductal epithelial cells with dyscohesive bare nucleiStromal predominance with hyperplasia of spindle cellsPolymorphism with single or arranged ductal epithelial cells  <response>: Polymorphism with single or arranged ductal epithelial cells 