NRP2 and breast cancer: NRP-2 expression has been found in colon cancers, pancreatic cancers, breast cancers, osteosarcomas, melanoma, lung cancers, brain tumors, myeloid leukemia, infantile hemangioma, salivary adenoid cystic carcinoma, and ovarian neoplasms [8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24].