Tampons..

Have you ever left a tampon in for to long?? I thought I had started my period 2 weeks ago so I put a tampon in and I guess it went to far and got "lost." Sex hurt really bad the other night so I self examined and felt something but thought it might be a cyst. This morning I examined and pulled it out, it was a tampon. From two weeks ago! 🤢 anything I need to worry about? I feel fine just grossed out..