A Giant congenital Melanocytic Nevus is a rare skin condition that only affects 1 in every 500,000 births, these types of birthmarks are present at birth and grow proportionately with the body. A GCMN is caused by an overgrowth of melanocytes pigment-producing cells in the skin. GCMNs have an elevated risk of developing into malignant melanoma, a type of skin cancer. They may also be associated with other conditions, such as Neurocutaneous melanosis where melanocytes grow in the brain and spinal