Preora Healthcare (formerly Preora Diagnostics) is a medical device company developing technology for the early detection and treatment of cancer through nanocytology, the study of cells at the nanoscale. It offers a platform that measures the disorder strength of the nanoscale organization of the cell, one of the earliest signs of carcinogenesis and a biomarker for the presence of cancer. The company serves cytologists, cytopathologists, physicians, and researchers.