Mondor's cord and the entire vein all red and painfull after going to a 100 celsius degrees sauna. Is that normal ?

Dear doctors, i have 1200cc saline implants placed over the muscle since more than 1 year and my left breast shows a Mondor's cord since 10 months. I had my first sauna yesterday, felt a horrible pain in my left breast and saw my skin above the vein (cord) all red. I could see it in my entire breast, it was very warm to the touch as well. Now it is gone, is it normal ? Can i go back to the sauna ? Will it happen everytime ?

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