Fig. 1From: Ablative radiation therapy to restrain everything safely treatable (ARREST): study protocol for a phase I trial treating polymetastatic cancer with stereotactic radiotherapySchema of the ARREST clinical trial. The initial dose level will be 6 Gy in 2 weekly fractions, with subsequent dose escalations to be achieved by increasing the number of weekly fractions for each dose level until the maximum dose level of 6Gy in 5 weekly fractions is achieved. DLT will be assessed 6 weeks after completion of radiotherapyBack to article page