Limitations in Study Design and Stratification in Phase II Stereotactic Radiosurgery Trial for Small Cell Lung Cancer Brain Metastases

Orhun Akdogan

Kübra Canaslan

Buket Hamitoglu

Orhun Akdogan, MD, Department of Medical Oncology, Gazi University, Ankara, Turkey; Kubra Canaslan, MD, Department of Medical Oncology, Dokuz Eylul University, Izmir, Turkey; Buket Hamitoglu, MD, Department of Medical Oncology, Eskisehir City Hospital, Eskisehir, Turkey; and Ozan Yazici, MD, and Osman Sutcuoglu, MD, Department of Medical Oncology, Gazi University, Ankara, Turkey

Ozan Yazici

Gazi University Faculty of Medicine Hospital, Ankara, Turkey

Osman Sütcüoglu

Orhun Akdogan, MD; Ahmet Ozet, MD; Ozan Yazıcı, MD; Nuriye Ozdemir, MD; and Osman Sütcüoglu, MD, Department of Medical Oncology, Gazi University, Ankara, Turkey