NRP2 and osteosarcoma: However, NRP2 expression was found in osteosarcomas [39], melanomas [40], lung cancers [41,42], brain tumors [43,44] colon cancers [45], pancreatic cancers [46-49], breast cancers [50], myeloid leukemias [51], salivary adenoid cystic carcinomas (SACCs) [52], infantile hemangiomas [53], ovarian neoplasms [54] and bladder cancers [55] (Table 1).