During a health check-up, Cuong, a 40-year-old man, was diagnosed with invasive thyroid cancer despite experiencing no symptoms.

I was diagnosed with papillary thyroid cancer that has spread to my cervical lymph nodes. Is it treatable, and what is the prognosis? (Trang Nguyen, Hanoi)

Ms. Nhuong, 69, had multiple thyroid nodules but missed follow-up appointments for two years; a recent biopsy confirmed metastatic cervical lymph node cancer.

I have thyroid cancer and am about to undergo a total thyroidectomy. Will not having a thyroid affect my health or reduce my life expectancy? (Hoang Nam, TP HCM)

Loan, 50, underwent a total thyroidectomy after a routine check-up revealed an invasive thyroid cancer nodule, with a frozen biopsy confirming the diagnosis.

I underwent a total thyroidectomy for cancer and must take hormone replacement therapy. What should my diet be like, and what precautions should I take to ensure optimal drug absorption? (Quoc Bao, Ho Chi Minh City)