“…Acute effects are erythema, pigmentation, oedema and epilation. The erythema might start shortly after the initial radiotherapy sessions, but it is usually more intense after the second week of radiation, as a result of capillary dilation and increased vascular permeability, accompanied by oedema (McQuestion 2011, Ryan 2012, O'Donovan et al 2015. The dryness occurs because of the reduction of skin lubrification, resultant from the damage to the sweat and sebaceous glands, which could be destroyed permanently, especially at 30 Gyr levels of radiation (McQuestion 2011), usually achieved in 15 radiation sessions.…”