noun
chest disease; thoracic disease
Medical term for diseases affecting the chest or thoracic region, including lungs, pleura, and mediastinum.
胸部疾患の専門医に診てもらった。
I was examined by a specialist in chest diseases.
呼吸器疾患 specifically refers to respiratory diseases, while 胸部疾患 is a broader term encompassing all diseases of the chest, including non-respiratory conditions.
Compound of 胸部 (chest, thorax) and 疾患 (disease, disorder).