侯赛因来美国是去梅奥医学中心治疗癌症。

Hussein was in the United States for cancer treatments at the Mayo Clinic.

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目的：为了确定姑息性治疗服务的有效性和整合程度，同时也对美国国立癌症研究院(nci)和非nci癌症中心的姑息性治疗进行比较。

Objectives to determine the availability and degree of integration of palliative care services and to compare between National cancer Institute (NCI) and non-NCI cancer centers in the United States.

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