Natural language processing to identify documented pain preceding radiotherapy for bone metastases. JNCI cancer spectrum 2026 https://researcherprofiles.org/profile/741995927 41639010 Chen JJ, Feng J, Friesner ID, Chang C, Kenny C, Elia MV, Ni L, Feng FY, Rabow MW, Braunstein SE, Boreta LC, Hong JC