Fig. 5From: Clinicopathological and mutational characteristics of primary double mutant gastrointestinal stromal tumor: a single center study with review of the literatureOther morphologic variations. (A) Intratumoral haemorrhage (case 4). (B) Extensive collagen deposition (case 3). (C) Scattered foci of calcification (case 6). (D) Hyalinized and dilated blood vessels (case 7). (E) Myxoid degeneration (case 7). (F) Focal lymphocytic aggregation (case 5). [Original magnification 200× in panels (A-F).]Back to article page