| http://www.w3.org/ns/prov#value | - Preoperative chest radiography and computed tomography (CT) scan (scanned at 5-mm intervals; Phillips MX800 CT Scanner (Philips, Amsterdam, Netherlands) until 2005; Philips Brilliance CT 64-Channel Scanner (Philips) from 2005) of the chest and upper abdomen including the liver and adrenal glands were performed in all cases, and surgery took place within 60 days of the CT scan.
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