Japanese swimming sensation Rikako Ikee said Wednesday her battle against leukemia has been more difficult than she imagined.Three weeks after announcing she had been diagnosed with the disease, the 18-year-old, who holds multiple national records, shared her feelings with her more than 400,000 followers on Twitter."It's tens of times, several hundred times, several thousand times harder than I thought," she wrote."I haven't eaten in more than three days. But I don't want to lose."Ikee's announcement last month sent shock waves across the country, as she was considered a medal hopeful for t…READ FULL ARTICLE