RT Journal Article SR Electronic T1 Metastatic breast neuroendocrine tumor from the rectum JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 676 OP 679 VO 33 IS 6 A1 Jaudah Al-Maghrabi A1 Jamal Zekri YR 2012 UL http://smj.org.sa/content/33/6/676.abstract AB Metastatic breast neuroendocrine tumor is an exceedingly rare entity. They are commonly initially misdiagnosed as primary breast carcinoma. Correct diagnosis of this tumor is crucial owing to the different clinical management from primary breast tumor. We report an additional case of metastatic breast neuroendocrine tumor from the rectum that behaved in an aggressive fashion and failed to respond to chemotherapy treatment.