Προκαρκινικές καταστάσεις
American Academy of Dermatology: Squamous Cell Carcinoma
Breast-Benign and Premalignant Conditions
Cancer prone diseases
e-Medicine Premalignant Conditions of the Oral Cavity
Genetic Health: Precancerous Conditions for Breast Cancer
Mayo Clinic: Barrett’s Esophagus
M.D. Anderson Cancer Center: Cervical Cancer
MedlinePlus: Actinic Keratosis
Merck Manual: Precancerous Lesions
Premalignant conditions of the Stomach and Gastric Cancer