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Fused single-photon emission computed tomography (SPECT) and computed tomography (CT) images from the integrated system showing (A) pelvic tumors of patient 1, (B) iliac tumor of patient 2, (C) inguinal tumor of patient 2, (D) pelvic tumor of patient 3, and (E) abdominal tumor of patient 4. Tumor outlines were defined on CT independent of SPECT.
