After being told he had only 30 days to live, Tan Yong Cheng spent the next two years fighting late-stage nasopharyngeal cancer, also known as nose cancer. 37 rounds of chemotherapy and radiotherapy later, the 48-year-old is still standing — now a hawker running Xiao Wen Ban Mian in Yishun. In 2018, Yong Cheng, who had been working as a technician for the past eight years, noticed that he had started losing weight. His trousers were getting increasingly loose. This prompted him to seek medical help at a clinic, after which he was referred to a hospital for further checks — where he received the life-changing diagnosis. "And the doctor told…