How To Treat Uterine Cancer Leading To Bleeding Eruptions On Vaginal Lips?

I went to the emergency room on Saturday with, bruised like bleeding eruptions, on both sides of the insides of my vaginal lips. believe it or not the doctor decided, without a lab result, it was uterine cancer. today, the emergency room called to tell me the lab results on my urine shows bacteria, a prescription was call in for me to pick up. my two questions to you are: can a urinary infection cause my symptoms and other than bactrum, I m Allergic) whats the best antibiotic for urine infections?? Thank, Robin