"This classification stratifies CTEPH into four levels, based on the most proximal extent of the thrombus 1,2 :"
"This classification stratifies CTEPH into four levels, based on the most proximal extent of the thrombus 1,2 :"
"The University of California, San Diego (UCSD)-CTEPH surgical classification defines chronic thromboembolic pulmonary hypertension (CTEPH) type and location"