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- The following imaging studies are occasionally done:
- • CT, MRI and ultrasound studies of the area of known tumor and likely primary sites.
- • Nuclear scans of bone, liver and thyroid.
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- Endoscopy and Biopsy
- • Endoscopic evaluation of the colon, urinary tract and lung is performed when indicated by results of the
- previous studies.
- • Biopsy of suspicious lesions identified by x-rays may establish a primary site; breast, prostate, pancreas may
- need special studies on biopsy; hormone receptors, DNA, other studies.
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