Gastrointestinal stromal tumor metastasis at the site of a totally implantable venous access port insertion: A rare case report

Figure 1 Computed tomography image. A and B: Computed tomography (CT) showed a huge inhomogeneous soft tissue mass (approximately 18.1 cm × 11.9 cm) with central necrosis, occupying the entire left upper abdomen, along with two nodular enhancing liver lesions; C and D: CT after 10 mo of imatinib therapy showed marked reduction in tumor size (approximately 8.6 cm × 6.7 cm), tumor enhancement at arterial phase CT decreased substantially and hepatic metastatic lesions showed no enhancement.