DO-IMRT optimizes IMRT to lower the chance of swallowing difficulties, known as dysphagia. This frequent aspect influence of radiotherapy for head and neck cancer can, occasionally, depart people needing a permanent feeding tube. DO-IMRT lowers the potential risk of dysphagia by decreasing radiation to the pharyngeal muscles, which assist swallowing. https://harrisonl998bip6.wikinarration.com/user