The Spurs phenom suffered a season-ending injury. A physician explains what deep vein thrombosis is, its causes and treatment, and Wembanyama's likely prognosis.

While it's unclear where Wembanyama's clot is located in the shoulder, deep vein thrombosis (DVT) occurs when a blood clot (thrombus) forms in one or more of the deep veins in the body:

The San Antonio Spurs announced Thursday that center Victor Wembanyama is expected to miss the rest of the season due to deep vein thrombosis in his right shoulder. The Frenchman learned of his condition Monday,