• Is the pulse oximetry low? Is it lower than baseline or compared with last visit? Is it low on exertion?
  • Is there a pre-existing pulmonary autoimmune condition (i.e., sarcoidosis)?
  • Is there a history of prior respiratory compromise (e.g., asthma, COPD, congestive heart failure)?
  • Has the patient experienced other immune-related adverse effects?
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