The story
From indolent + lesion + epithelial. Coined in 2015 by the research team of Laura J. Esserman, Ian M. Thompson, Brian Reid, Peter Nelson, David F. Ransohoff, H. Gilbert Welch, Shelley Hwang, Donald A. Berry, Kenneth W. Kinzler, William C. Black, Mina Bissell, Howard Parnes, Sudhir Srivastava.
Etymology from Wiktionary, CC BY-SA 4.0.