Figure A shows untreated rat liver section with organized liver architecture. Figure B,C & D shows DEN treated rat liver sections. DEN is a potent hepatocarcinogen which helps to produce tumor nodules in liver. The liver architecture in figure B,C & D is disorganized with dilated sinusoids and expanded portal vein and this was more with the increasing dose of DEN. Images taken with foldscope attaching Lenovo K6-Note android cell phone.