Other and Ill-Defined Sites within Respiratory System and Intrathoracic Organs ICD-O-3

**Semantic type:** Conceptual Entity

**Definition:** Anatomic sites within the respiratory system and intrathoracic organs that are referenced in topographic category C39 of ICD-O-3.

**Synonyms:** - Ill-defined sites within respiratory system - Other and Ill-Defined Sites within Respiratory System and Intrathoracic Organs - Other and ill-defined sites within respiratory system and intrathoracic organs