Hanna AN, et al. - Authors identified a group of intermediate thickness melanoma (ITM) patients for whom the risk of nodal disease is low. In estimating sentinel lymph node (SLN) risk, patient age is an important factor in patients with ITM. Findings suggested a probability of the patient age to identify patients without ulceration that may be safely spared a SLN biopsy. A low risk subgroup with a corresponding SLN positivity rate of 4.7% was identified by a model using age and thickness in non-ulcerated patients.