The calculator provides the estimated risk for GIST recurrence within the first 10 years since surgery for a localized, operable GIST.
The risks are estimations based on pooled population-based series . The risk tables also provide risk estimations. The source data are historical, and may not apply directly to present circumstances, and adjuvant Imatinib may substantially reduce the risk of recurrence.
 Heikki Joensuu, Aki Vehtari, Jaakko Riihimäki, Toshirou Nishida, Sonja E Steigen, Peter Brabec, Lukas Plank, Bengt Nilsson, Claudia Cirilli, Chiara Braconi, Andrea Bordoni, Magnus K Magnusson, Zdenek Linke, Jozef Sufliarsky, Massimo Federico, Jon G Jonasson, Angelo Paolo Dei Tos, Piotr Rutkowski. Risk of recurrence of gastrointestinal stromal tumour after surgery: an analysis of pooled population-based cohorts. Lancet Oncology 2012; 13: 265–74
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The GIST Risk calculator (hereinafter “calculator”) is based on the research conducted by Prof. Heikki Joensuu, Prof. Aki Vehtari and their collaborators (see reference  above).
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