brachial plexus neoplasm (MONDO_0003700) is a neoplasm (disease) that involves the brachial nerve plexus. Also known as: brachial nerve plexus neoplasm, brachial nerve plexus neoplasm (disease), brachial nerve plexus tumor, brachial nerve plexus tumour, brachial plexus neoplasms, brachial plexus tumor, brachial plexus tumour, neoplasm of brachial nerve plexus.