Pierre Demondion

May 25, 2024 | thelancet.com | Stephane Ederhy |Amal Baba Ali |Pierre Demondion

A 52-year-old man was referred to our team for assessment of a mass in the right atrium. The lesion, which initially appeared to be an extending thrombus in the inferior vena cava, had been seen on CT scan 6 months earlier as part of systematic surveillance for carcinoma of the colon (figure; appendix). He had been started on low molecular-weight heparin and re-commenced on both nivolumab and ipilumumab. This article is available free of charge.