<prompt> Which of the following is not a benign tumor?LipomaLeiomyomaHepatomaChondroma  <response>: Ans. c Hepatoma. Ref. Robbin, Pathology, 7th ed., 273BENIGN TUMORS Fibroma,Lipoma,Chondroma Osteoma,HemangiomaMeningioma Leiomyoma,Rhabdomyoma,Squamous cell papilloma Liver cell adenoma,AdenomaPapilloma CystadenomaBronchial adenomaRenal tubular adenomaEducational Points: An ectopic rest of normal tissue--choristoma.Q Aberrant differentiation may produce mass of disorganized but mature specialized cells or tissue indigenous to particular site--Hamartoma. Hepatoma is malignant tumor A misnomer. 