AMBLor is a groundbreaking histopathological biomarker test for the personal identification of early-stage melanomas at low risk of progression, post staging diagnosis. AMBLor® is based on two protein markers that are normally present in the upper layer of the skin (epidermis). Loss of both of these markers overlying early-AJCC (Stage I and II) melanomas is associated with tumour subsets that are at-risk of progression, while retaining one or both markers in the epidermis is an indicator for low-risk tumours