Ben Davidson has been working as a physician at the Department of Pathology, Norwegian Radium Hospital, Oslo University Hospital, since 1998 and defended his PhD thesis there in 2001. He is a specialist in pathology since 2001 and has sub-specialty in cytopathology and gynecologic pathology. He is currently head of Gynecologic Pathology at Oslo University Hospital and Professor at the University of Oslo. He has published 290 papers in international peer-reviewed journals, edited a book on serous effusions and authored several book chapters, and has been invited speaker to over 30 international meetings.Pınar Firat is Turkish, and works as a pathologist at Istanbul University, Turkey. She previously worked at Hacettepe University, Turkey. She has a special interest in serous effusions.Claire W. Michael is a pathologist at Case Western Reserve University/University Hospitals Case Medical Center, Cleveland, Ohio. She previously worked at The University of Michigan, Ann Arbor, USA. She also has a special interest in serous effusions.

• Benign effusions.- Lung carcinoma.- Ovarian/primary peritoneal carcinoma.- Breast carcinoma.- Malignant mesothelioma.- Hematological hematologic and lymphoid neoplasia.- Cancer of other origin.- Lung carcinoma.- Ovarian/primary peritoneal carcinoma.- Breast carcinoma.- Malignant mesothelioma.- Cancer of other origin.

Ben Davidson has been working as a physician at the Department of Pathology, Norwegian Radium Hospital, Oslo University Hospital, since 1998 and defended his PhD thesis there in 2001. He is a specialist in pathology since 2001 and has sub-specialty in cytopathology and gynecologic pathology. He is currently head of Gynecologic Pathology at Oslo University Hospital and Professor at the University of Oslo. He has published 290 papers in international peer-reviewed journals, edited a book on serous effusions and authored several book chapters, and has been invited speaker to over 30 international meetings.Pınar Firat is Turkish, and works as a pathologist at Istanbul University, Turkey. She previously worked at Hacettepe University, Turkey. She has a special interest in serous effusions.Claire W. Michael is a pathologist at Case Western Reserve University/University Hospitals Case Medical Center, Cleveland, Ohio. She previously worked at The University of Michigan, Ann Arbor, USA. She also has a special interest in serous effusions.

• Benign effusions.- Lung carcinoma.- Ovarian/primary peritoneal carcinoma.- Breast carcinoma.- Malignant mesothelioma.- Hematological hematologic and lymphoid neoplasia.- Cancer of other origin.- Lung carcinoma.- Ovarian/primary peritoneal carcinoma.- Breast carcinoma.- Malignant mesothelioma.- Cancer of other origin.

Ben Davidson has been working as a physician at the Department of Pathology, Norwegian Radium Hospital, Oslo University Hospital, since 1998 and defended his PhD thesis there in 2001. He is a specialist in pathology since 2001 and has sub-specialty in cytopathology and gynecologic pathology. He is currently head of Gynecologic Pathology at Oslo University Hospital and Professor at the University of Oslo. He has published 290 papers in international peer-reviewed journals, edited a book on serous effusions and authored several book chapters, and has been invited speaker to over 30 international meetings.Pınar Firat is Turkish, and works as a pathologist at Istanbul University, Turkey. She previously worked at Hacettepe University, Turkey. She has a special interest in serous effusions.Claire W. Michael is a pathologist at Case Western Reserve University/University Hospitals Case Medical Center, Cleveland, Ohio. She previously worked at The University of Michigan, Ann Arbor, USA. She also has a special interest in serous effusions.

• Benign effusions.- Lung carcinoma.- Ovarian/primary peritoneal carcinoma.- Breast carcinoma.- Malignant mesothelioma.- Hematological hematologic and lymphoid neoplasia.- Cancer of other origin.- Lung carcinoma.- Ovarian/primary peritoneal carcinoma.- Breast carcinoma.- Malignant mesothelioma.- Cancer of other origin.