REsUMEnLos tumores primarios de intestino delgado son muy infrecuentes, siendo todavía más raros los metastásicos. Es excepcional que las metástasis de intestino delgado se manifiesten antes que el tumor primario. La presentación clínica puede requerir una resección quirúrgica intestinal motivada por perforación, hemorragia, obstrucción-suboclusión intestinal e incluso invaginación intestinal. La supervivencia, es escasa y generalmente no supera las 20 semanas, independientemente del tratamiento que se realice.Palabras clave. Metástasis yeyunales. Cáncer de pulmón. Anemia ferropénica.
aBstRactPrimary tumors of the small intestine are rare, and metastatic ones are even rarer. It is exceptional for small bowel metastases to manifest before the primary tumor. The clinical presentation may require surgical resection motivated by intestinal perforation, hemorrhage or intestinal obstruction-subocclusion. Survival is scarce and generally does not exceed 20 weeks, regardless of the treatment performed.
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