Fig. 2From: Giant gastrointestinal stromal tumor with predominantly cystic changes: a case report and literature review a The gross appearance of the excised tumor, which is 16 cm × 15 cm × 13 cm in size. The resected tumor is well circumscribed and gray-whitish. b The macroscopic aspect of the resected tumor with focal areas of necrosis and cystic degeneration. c The irregular wall of the cystBack to article page