LUMP/SWELLING IN THROAT

Hi Everyone, I noticed a felt a lump 2 weeks ago. It felt tender to the touch initially. My thyroid levels are normal however I'm deficient on Vitamin D. I'm concerned the lump/swelling may be a nodule or something serious. I attached two pictures from two different days. 1st one is the most recent

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hi, did you find out what this was? i have the same.