*Department of Human Pathology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan

†The Study Group for Pneumothorax and Cystic Lung Diseases, Setagaya-Ku, Tokyo, Japan

‡Department of Respiratory Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan

§Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, Tokyo, Japan

∥Department of Medical Oncology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan

¶Department of Thoracic Surgery, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

#Department of Pathology, Nissan Tamagawa Hospital, Tokyo, Japan

This work was partially supported by grants from the Project for Research on Environmental and Gender-Specific Medicine (grant number E2213).

Conflicts of Interest and Source of Funding: The authors have disclosed that they have no significant relationships with, or financial interest in, any commercial companies pertaining to this article.

Correspondence: Takuo Hayashi, MD, PhD, Department of Human Pathology, Juntendo University Graduate School of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo 113-8421, Japan (e-mail: [email protected]).

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