In situ retrograde laser fenestration is a feasible and effective option for revascularizing the LSA during emergent TEVAR. Longer follow-up is necessary to determine the durability of this technique.

The anatomic severity grading score can be easily and rapidly calculated from computed tomography images with the aid of 3-D image-rendering software. The anatomic severity grading score correlates with the technical difficulty of EVAR and the extent of hospital resource utilization.

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Background: Gastrointestinal stromal tumors (GIST) are uncommon intra-abdominal tumors. These tumors tend to present with higher frequency in the stomach and small bowel. In fewer than 5% of cases, they originate primarily from the mesentery, omentum, or peritoneum. Furthermore, these extra-gastrointestinal tumors (EGIST) tend to be more common in patients greater than 50 years of age. Rarely do EGIST tumors present in those younger than 40 years of age.