Pancytopenia with cellular marrow is seen in all except
Pancytopenia with cellular marrow is seen in

Megaloblastic anemia
Myelodysplasia
Paroxysmal nocturnal hemoglobinuria
Megaloblastic anemia
Myelodysplasia
Paroxysmal nocturnal hemoglobinuria
G6PD deficiency
G6PD deficiency