How did tezuka osamu die?

Tezuka Osamu, the renowned Japanese manga artist and creator of iconic works like "Astro Boy" and "Black Jack," died on February 9, 1989, from complications related to stomach cancer. He had been diagnosed with the disease in 1988, and despite undergoing treatment, his health deteriorated. His passing marked the end of an era in manga and left a profound impact on the industry in Japan and beyond.