Clinical Reasoning AI for Oncology Treatment Planning: A Multi-Specialty Case-Based Evaluation. - Philippe E. Spiess; Muntasir Zitu; Alison Walker; Daniel A. Anaya; Robert M. Wenham; Michael Vogelbaum; Daniel Grass; Ali-Musa Jaffer; Amod Sarnaik; Caitlin McMullen; Christine Sam; John V. Kiluk; et al. (CoRR, 2026)