1. Diagnostic Imaging Center, The Cancer Institute Hospital of the Japanese Foundation for Cancer Research, 3-8-31 Ariake, Tokyo 135-8550, Japan.
2. Department of Diagnostic Radiology, National Cancer Center Hospital, Tokyo, Japan.
3. Department of Thoracic Surgical Oncology, The Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan.
4. Division of Pathology, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan.
5. Department of Pathology, The Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan.