pulmonary emphysema
Medical term for a chronic lung condition where the air sacs are damaged, leading to shortness of breath.
Smoking is one of the main causes of pulmonary emphysema.
My grandfather was diagnosed with pulmonary emphysema.
Compound of 肺 (lung) + 気腫 (emphysema, literally 'air swelling'). The term is a direct medical borrowing from Chinese or formed in Japanese using kanji components.