Panel A & B shows positive Oil red–O stained DEN treated rat liver sections in different groups. Upper Panel shows the liver section of rat from initiation group and the lower section shows from promotion group. In initiation group (Panel A) some of the cells are getting positive staining but the staining is more in promotion group (Panel B) as as lipogenic molecules are more active in  this stage.  a & b images are zoom out (3X) images of   panel A & B respectively.