...the second patient was a 35-year-old man with sporadic medullary thyroid carcinoma and a RET M918T mutation as well as ATM L804fs*4 and ATM S978fs*12 alterations. Additional tumor evaluation with an IHC panel also showed strong positivity of phospho-AKT. The patient was initially treated with single-agent vandetanib with prolonged stable disease; however, the addition of everolimus led to significant tumor shrinkage.