GreenLight laser PVP is now challenging TURP as the standard treatment for lower LUTS caused by BPH for its many advantages e.g. short learning curve, a shorter period of postoperative bladder catheterization, lower levels of retrograde ejaculation and low indices of postoperative hematuria etc. Recently, with the introduction of the latest generation of the GreenLight laser (XPS), greenlight PVP using XPS system proved to be non inferior to TURP in reducing LUTS secondary to BPH with all the advantages of laser. [GOLIATH TRIAL].