The present invention relates to the integrated system for delivering energy to tissue, apparatus and method, it is used for a variety of applications, including medical procedure (such as ablation of tissue, resection, cautery, vascular thrombosis formation, treatment arrhythmia cordis and arrhythmia, electrosurgery, tissue harvest).In certain embodiments, systems, devices and methods are provided for by applying energy therapy tissue regions (such as tumour).