A malignant neoplasm that affects the supraglottic area of the larynx. The vast majority of cases are squamous cell carcinomas. The disease is MONDO_0001724 (supraglottis cancer). Also known as: Ca larynx - supraglottis, cancer of supraglottic part of larynx, malignant neoplasm of extrinsic larynx, malignant neoplasm of supraglottic part of larynx, malignant neoplasm of supraglottis, malignant neoplasm of the supraglottis, malignant supraglottic neoplasm, malignant supraglottic part of larynx neoplasm.