Do potential employers need to know that you’ve been a cancer patient?

After undergoing chemotherapy and other treatments for high-grade lymphoma, you have been well and working at your job for the last two years.

After undergoing chemotherapy and other treatments for high-grade lymphoma, you have been well and working at your job for the last two years. Your doctor’s appointments have also been lessening with time. You have an interview for a better job. Must you disclose your health situation to your potential employer?