Figure 4From: Solitary fibrous tumor of the pleura presenting with syncope episodes when coughingTumor consists of elongated cells that display a storiform pattern of growth and abundant stromal collagen (hematoxylin & eosin stain; magnification 100 ×). At higher magnification, tumor cells appear of small size, spindle, with no cytologic atypia (insert; magnification 400 ×).Back to article page