The term "preneoplastic" means something that is a precursor or early stage of cancer. It refers to a condition or changes in cells that may eventually lead to the development of cancer. Full definition
Dietary Protein Intervention During the Postdosing Phase of Aflatoxin B1 - Induced Hepatic Preneoplastic Lesion Development. (westonaprice.org)
Effect of High and Low Dietary Protein on the Dosing and Postdosing Periods of Aflatoxin B1 - induced Hepatic Preneoplastic Lesion Development in the Rat. (westonaprice.org)
Shown is a region of a pancreas with preneoplastic lesions. (sciencedaily.com)