Sargramostim or Hypertonic Saline Before Sentinel Lymph Node Biopsy in Treating Patients With Stage IB-II Melanoma

This randomized phase III trial studies sargramostim before sentinel lymph node biopsy to see how well it works compared to hypertonic saline before sentinel lymph node biopsy in treating patients with melanoma. Biological therapies, such as sargramostim, may stimulate the immune system in different ways and stop cancer cells from growing. It is not yet known whether sargramostim is more effective than hypertonic saline in treating patients with stage IB-II melanoma undergoing sentinel lymph node biopsy.