How do you approach patients with very low risk stage IIIA cutaneous melanoma for adjuvant immunotherapy?

Although it may seem that Stage 3A is a higher stage than Stage 2B and 2C, it must be kept in mind that according to AJCC 8 criteria, 2B and 2C melanomas are thicker (with to without ulceration), and a 3A melanoma is by definition a thinner melanoma. A thin melanoma (<2mm) is called a 3A melanoma be...