Doctors discuss how common the condition is, why it happens — and whether Trump's symptoms align with his diagnosis.

The memo also detailed that POTUS underwent “bilateral lower extremity venous Doppler ultrasounds were performed and revealed chronic venous insufficiency, a benign and common condition, particularly in individuals over the age of 70.

The White House announced on Thursday that President Donald Trump has been diagnosed with chronic venous insufficiency (CVI). The announcement followed growing public speculation over visible swelling in the president's legs and bruises on his hands.