RecruitingPhase 2Radiation therapyTrial Comparing LATTICE Radiotherapy vs Moderately Dose-escalated Palliative Radiation for Patients With Metastases.Unblinded, randomized study of 5-fraction LATTICE radiotherapy (20 Gy with an SIB to 66.7 Gy in 5 fractions) versus moderately dose-escalated palliative radiation (25 Gy in 5 fractions)