PECAM1 and neoplasm: Vascular CD36 expression was consistently absent within the tumor area relative to vascular CD31 expression in specimens from multiple IBC subtypes (ER+PR+/−HER2− [n = 18], ER+PR+/− HER2+ [n = 3], ER−PR−HER2+ [n = 4], ER−PR−HER2− [n = 7], and unknown [n = 8]).