Assertion: mucus's blood | /r/AtLocation | the mucus
Facets:
Source sentences:
text: Hemoptysis may cause symptoms in addition to blood appearing in the mucus.
text: Sinusitis, nasal tumors, lung diseases or conditions of the nasal septum can also cause blood to appear in the mucus.
text: However, in most cases blood appearing in the mucus is harmless and will disappear once the condition causing it to appear has faded.