digestive congenital fibrosarcoma
References
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Sherman MP, Neustein HB. Congenital spindle-cell neoplasms of the intestine: a case report and literature review. Am J Pediatr Hematol Oncol. 1985 Winter;7(4):380-4. PMID: 4083396
Shearburn EW, Teja K, Botero LM, Shaw A. Pancreaticoduodenectomy in the treatment of congenital fibrosarcoma of the duodenum. J Pediatr Surg. 1975 Oct;10(5):801-6. PMID: 1185470