VEGFA and neoplasm: Glomeruloid microvascular proliferations (GMPs) are found not only in a wide variety of VEGF-A-expressing human tumours, particularly glioblastoma multiforme, but also in cancers of the stomach and breast, where they are associated with an unfavourable prognosis (Pettersson et al, 2000; Sundberg et al, 2001; Straume et al, 2002).