<prompt> The type of mammary ductal carcinoma in situ DCIS most likely to result in a palpable abnormality in the breast isApocrine DCISNeuroendocrine DCISWell differentiated DCISComedo DCIS  <response>: DCIS has a wide variety of histologic appearances. Architectural patterns often are mixed and include solid, comedo,n cribriform, papillary, micropapillary, and clinging types.The comedo subtype is distinctive and is characterized by cells with high-grade nuclei with extensive central necrosis ref : Robbins Basic Pathology, 9E,page-710 ref img 