Assertion: ankylosing spondylitis's symptom | /r/HasProperty | subtle
Facets:
Source sentences:
text: AS can be challenging to diagnose early in the disease process because symptoms can be subtle, consisting of just stiffness or non-specific pain even without activity,” said Dr. Segebarth.“There are no great labs to pinpoint the diagnosis, although some genetic markers may be helpful.
text: The very first symptoms can be subtle – for example, feeling stiffness or pain when you wake up in the morning or after sitting down for long periods of time.