background: the aim of this study was to evaluate the reduction in excision cavity volume (ecv) during the whole breast radiotherapy (wbrt). the delineating of reduced cavity volume on secondary ct (computed tomography) might decrease the field size of boost plan. materials and methods: twenty patients were treated having breast conservative surgery. at first, primary ct simulation (ct-1) was d...

Context: Increased survival of patients with cancer raises the need to pay attention long-term side effects. Patients brain metastasis experienced cognition failure after whole-brain radiotherapy. This review aimed at concluding efficacy Memantine in preserving cognitive function by reducing toxicity radiotherapy for metastatic cancers. Evidence Acquisition: Published studies evaluating memanti...

background : this study compared the efficacy of two commonly used fractionation schedules for palliative whole brain irradiation in patients with brain metastases, and assessed the association of the radiotherapy therapy oncology group (rtog) recursive partitioning analysis for brain metastases (rpa) to survival with each schedule. methods : patients with multiple (more than three) brain metas...

Abstract PURPOSE To investigate the effect of radiotherapy and surgery in patients with lung cancer brain metastases (BMs) poor prognosis factors. METHODS We analyzed retrospectively 714 BMs. A 1:1 propensity score matching (PSM) was performed to balance potential confounders. Analyses overall survival (OS) risk factors for OS were assessed by log-rank test Cox proportional hazard model. RESULT...