Vietnam records over 182,000 new cancer cases and more than 122,000 cancer deaths annually, attributed to an aging population, sedentary lifestyles, and the overuse of alcohol and tobacco.

Ngoc, 45, experienced blurred vision, dizziness, and headaches for two months before doctors diagnosed her with lung cancer that had metastasized to her brain and other organs.

I have a cough, but I don't smoke. A chest X-ray didn't show anything unusual. Can chest X-rays detect early-stage lung cancer? (Kim Anh, 35 years old)