Thrombus calcification in the inferior vena cava.
D002114:Calcinosis / Q000000981:diagnostic imaging* / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011859:Radiography; D013924:Thrombophlebitis / Q000150:complications / Q000000981:diagnostic imaging*; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging*