It’s not yet clear how Trump will be treated for the condition, which was revealed on Thursday — but here’s what you need to know about the ailment.

President Donald Trump underwent vascular testing after he had swelling in his legs, with all results within normal limits, White House press secretary Karoline Leavitt said Thursday. Leavitt said Trump noted "mild swelling in his lower legs," which prompted the White House medical team to evaluate him.

White House Press Secretary Karoline Leavitt revealed that Donald Trump's bruised hand and swollen ankles are due to a harmless vein condition called chronic venous insufficiency. The condition, common in those over 70,