English: pneumoconiosis that is an inflammation and scarring of the upper lobes of the lungs causing nodular lesions resulting from inhalation of silica or slate particles
Japanese: 結晶シリカ 粉塵を吸入することで生じる職業性肺疾患の一種。結節をともなう肺上葉の炎症と瘢痕を特徴とする