<qa>  What is the standard dose for the targeted tumor bed and electively treated lymphatics?Typically for tumors treated by megavoltage 6MV radiotherapy alone or with chemotherapy, the primary tumor bed with an adequate margin and the draining lymphatics will be treated with parallel opposed lateral treatment portals; the lower neck node bearing area will be treated through an anterior port. The standard total dose for the targeted tumor bed and electively treated lymphatics is 50 Gy25 fractions, and then, an additional boost dose to the neoplasm-bearing sites of 16 Gy to 20 Gy. 