STD risk from Condom Breaking

Patient: Thanks for the response. I do not know the status of my partner unfortunately, but do feel better with what you said. I keep telling myself I should not worry, but some his semen was right on/near my anus (but not in it). Fortunately the condom broke on the bottom and most of it dripped on my boxer briefs.You mentioned other STDs being a concern. Should I be concerned with others for the brief time the condom broke and his penis was pushed against my anus/crack?

Symptoms: STD