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