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    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of and finding treatments for complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia (FM), long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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  1. M

    Anion gap

    my recent blood test revealed my anion gap at a low of 2.5. Should I be concerned,, I did have lung cancer last year. I'm new to this site, so I'm not sure I'm posting correctly to get a response. Thanks for the patience