This week’s #RadiologyRounds is brought to you by our newest contributor, Nick Ghionni! We’ll dive into a classic Radiology Sign and talk about what it represents, and how it helps inform your differential.

In this case, the patient underwent a biopsy that showed no malignancy but grew NTM! Given that NTM can be superimposed on malignancy, repeated biopsies were done that corroborated. She is being treated with close monitoring.