N1 Single lymph node metastasis, 2 cm or less in greatest dimension N1 Single regional lymph node metastasis in the true pelvis (hypogastric, obturator, external iliac or presacral lymph node ...
chemotherapy directly into the leg or arm where the melanoma is - isolated limb infusion or isolated limb perfusion If your lymph nodes feel normal, but an SLNB shows a small number of melanoma cells ...