Question: A 42 year old man undergoes fine needle aspiration biopsy of a 1.5 cm thyroid nodule. The pathology result states: “Nondiagnostic. Scant cellularity.” The patient elects to observe rather than pursue a repeat biopsy. What is the likelihood of malignancy?

[Answer will be posted with next week's new question]

Answer to last week's question, "Similar But Different" (September 24, 2018)

Apert syndrome.