A primary or metastatic malignant neoplasm involving the vulva. The disease is Monarch Disease Ontology identifier MONDO_0001528 (vulva cancer). Also known as: Ca vulva, cancer of mammalian vulva, malignant mammalian vulva neoplasm, malignant neoplasm of mammalian vulva, malignant neoplasm of the vulva, malignant neoplasm of vulva, malignant neoplasm of vulva unspecified, malignant neoplasm of vulva, unspecified.