70. Regarding Ga-67, which of the following is (are) true?

A) It is the most successful radionuclide infection localization scan available for the abdomen.
B) Its primary in vivo behavior is as an iron analogue.
C) It is specific for Pneumocystis carinii pneumonia in immunocompromised patients.
D) It is more sensitive for parenchymal sarcoidosis than plain chest radiographs.
E) It is very useful as a tumor localizing agent in patients with lymphoma, melanoma, and Kaposi's sarcoma.