Assertion: pneumothorax's cause | /r/HasProperty | apparent
Facets:
Source sentences:
text: A small pneumothorax that develops without any apparent cause usually does not require treatment.
text: Primary spontaneous pneumothorax: occurs without an apparent underlying cause.
text: Primary spontaneous pneumothorax is a pneumothorax that occurs without any apparent cause in people without a known lung disorder.
text: primary spontaneous pneumothorax is a condition caused without any apparent cause and without the presence of any lung disease, whereas a secondary spontaneous pneumothorax is seen when there is a presence of a lung disease, like COPD, asthma, TB, etc.
text: Primary spontaneous pneumothorax is a pneumothorax that occurs without any apparent cause in people without a known lung disorder.