Japan, July 25 -- Sumitomo Corporation has invested in AiRato Inc., a startup specializing in AI-based solutions for cancer radiation therapy. The two companies have concluded an exclusive overseas distribution agreement for AiRato's radiation therapy planning support software (hereinafter "AI planning software"). Sumitomo Corporation will work to ensure regulatory compliance across Asia, with plans to begin distribution in 2026.The Current State of Cancer Radiation TherapyIn recent years, large hospitals in medically advanced countries including Japan have adopted intensity-modulated radiation therapy (IMRT) for cancer treatment. IMRT minimizes damage to healthy tissue while delivering targeted radiation to cancer cells, reducing the burde...