pulmonary embolism
Medical term for a blockage in a lung artery, usually by a blood clot.
Pulmonary embolism is known as one of the economy class syndrome conditions.
塞栓症 is the general term for embolism; 肺塞栓症 specifies the lung.
血栓症 refers to thrombosis (clot formation), which can lead to embolism.
Compound of 肺 (lung) + 塞栓症 (embolism).