I was working as a physician assistant in California when my husband’s job moved us to Singapore. About a year after we got there, I started to experience pressure in my face, a watery eye, frequent sneezing and an occasional headache behind my right eye. I had these symptoms for two months before I decided to see a doctor. An ENT specialist scoped my nose, saw a mass and proceeded with a biopsy.

On Oct. 9, 2019, I was diagnosed...