For instance, the study guide generated by ChatGPT for melanoma did not reference its association with the S-100 tumor marker, various forms of melanoma (superficial spreading, nodular, lentigo maligna, and acral lentiginous), and that patients with v-Raf murine sarcoma viral oncogene homolog B (BRAF) V600E mutations can stand to benefit from treatment with a BRAF kinase inhibitor. The gene discussed is BRAF; the disease is neoplasm.