asked

I have a small bruise-like lump on my upper right arm that doesn't hurt. I'm 25 years old, not using any medications, and have no significant medical history. The lump has been present for about a month and has changed in appearance, going from darker purple and larger to smaller and oval-shaped. It started around the time I began working out with P90X and pull-ups, but I haven't felt any muscle strain, just regular soreness. Should I be concerned about this lump, and if so, what signs should I watch for?

July 31st, 2023

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