The patient presents with fever for the last few days, sore throat and enlarged lymph nodes under the jaw. What is the appropriate response of the nurse when the patient asks about the cause of the enlarged lymph nodes?

Enlarged lymph nodes are associated with hypertensive heart disease."

"They are most likely enlarged as a result of the throat infection.

"You should probably see an oncologist to rule out lymphedema.

You probably have a blockage in the thoracic lymph duct"