In Sentinel Node-Positive Melanoma Patients, Does Omission of Completion Lymph Node Dissection Make More Intensive Follow-Up Necessary, and Does Adjuvant Systemic Therapy Permit Less Intensive Follow-Up?

对于前哨淋巴结阳性的黑色素瘤患者，省略完成淋巴结清扫术是否需要更密集的随访，而辅助全身治疗是否可以减少随访？