"IgG4-related disease (IgG4-RD) is a systemic disease that is characterised by fibroinflammatory infiltration of various organs induced by plasma cells that express IgG4 (immunoglobulin G subclass 4)."
Line 1:39·'RD' has no definition. Spell it out if it's unfamiliar to the audience.
List Caps
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"Riedel thyroiditis"
Line 64:11·In general, we don't start a list item with a capital letter. Exceptions are proper nouns.