Prognostic sub-classifications of T1 cutaneous melanomas based on ulceration, tumour thickness and Clark's level of invasion. Results of a population-based study from the Swedish Melanoma Register.
Background: Survival and prognostic factors for thin melanomas have been relatively little studied in population-based settings. This patient group account for the majority of melanomas diagnosed in western countries today and better prognostic information is needed. Objective: The aim of this study is to use established prognostic factors such as ulceration, tumour thickness and Clark's level of