<prompt> A patient with Hb level 6 gmsdl, TLC-3500 and platelet count 50,000. The most probable diagnosis isLeukemiaMultiple myelomaAplastic anemiaMegaloblastic anemia  <response>: C Aplastic anemia Pancytopenia characterized by 1 anemia, 2 neutropenia, and 3 thrombocytopenia. Basis for these changes is a failure or suppression of multipotent myeloid stem cells, with inadequate production or release of the differentiated cell lines. 