Figure 4From: Cardiac papillary fibroelastoma: a retrospect of four cases Histologic section of an excised CPFE. (a) CPFE has a distinctive flower-like appearance with multiple papillary fronds. (b) The papillaryfronds are covered by endothelial cells. (c, d) Elastic fiber varies in tumor substance. (bar = 100 μm).Back to article page