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A 35-year-old female patient presented to the Emergency Department with a chief complaint of pain, swelling and redness of the right thigh for the past 3 days. She gives a history of long-distance travel via a non-stop flight from Sydney to New York. She is currently also taking OCs. On inspection, it was observed that her right thigh is slightly erythematous, and the girth is significantly increased as compared to the left side at the same level. The thigh is also warm to touch. A POCUS exam was performed bilaterally. The view below shows a still image without compression at the level of the right saphenofemoral junction. Mickey mouse sign was elicited. The video on the right shows the view obtained during adequate compression at the right SFJ. What is the correct diagnosis?

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There is a clot seen only in the right common femoral vein. The right common femoral vein is not fully compressible. However, the right greater saphenous vein is fully compressible.

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