Oncology Nutrition Market Size & Forecasts 2026-2035, By Segments (Formulation, Route of administration, Dosage type, Product type, End-use, Cancer Type), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Nestlé Health Science, Abbott Nutrition, Danone Nutricia, Fresenius Kabi, Mead Johnson)