Radiation therapy devices, systems and methods are in general sheet-like form,arecharacterized by flexibility, and include at least one spacer that can be aballoon orbubble that assists in placement of radio therapeutic members at desiredtreatmentlocations along or around a limb, within an existing body cavity, or at a sitethat wasformed under a patients skin for treatment purposes. Sarcoma treatment isparticularly conducive to treatment by these devices, systems and methods. Oneormore detectors, such as microdiodes, are accommodated when desired on thedevice, and a hyperthermia tube or the like is also includable that delivershyperthermia treatment for the target treatment site or sites. Data collectedby thedetector allows the medical professional to monitor radiation treatment and,whendesired, interaction between hyperthermia treatment and radiation delivery bytheradiation treatment member.
