I haven't heard that US picks up cancer on skin. But that just me, I don't know much about US. I always thought US is used to detect tumor and determine if it's a solid mass (hypoechoic) or just a cyst (hyperechoic). That's what I read online. If cancer is detected on your skin, you may want to ask your oncologist about angiosarcoma. It's very rare but could be caused by radiation therapy. Just to be on the safe side. I don't like MRI either but it detects cancer better than mammogram. I'm claustrophobic 🤢 I found the tumor during self breast exam. My Dr ordered mammo and US. Mammo didn't detect anything. US showed a solid mass. Needle Biopsy result was Atypical Ductal hyperplasia. My surgeon decided to do excisional biopsy. It came back as cancer. Lucky me. Sounds like you have a old team. Wish you all the best.