... treatment planning. Cancer Treat Rev 2006, 32:245-60.16. Topkan E, Yavuz AA, Aydin M, Onal C, Yapar F, Yavuz MN: Com-parison of CT and PET-CT based planning of radiation ther-apy in locally advanced ... extrathoracic fascia, diaphragmatic surfaces, and inter-lobar fissures. Results of CT cannot accurately distinguishbetween malignant and benign conditions, such asinflammation and pleural fluid, ... 7.5 (VarianMedical Systems, Palo Alto, CA, USA) into DICOM RT for- mat, and the available data was utilized for planning pur-poses following image fusion. The CT-based and PET-CT-based treatment...