![𝚝𝚑𝚎𝚡𝚛𝚊𝚢𝚍𝚘𝚌𝚝𝚘𝚛) on Twitter: "Answer: Cystic Fibrosis. Signs: diffuse bronchial thickening and dilatation, signet ring sign. #FOAMrad #FOAMed https://t.co/tp2IM8a1Nu" / Twitter 𝚝𝚑𝚎𝚡𝚛𝚊𝚢𝚍𝚘𝚌𝚝𝚘𝚛) on Twitter: "Answer: Cystic Fibrosis. Signs: diffuse bronchial thickening and dilatation, signet ring sign. #FOAMrad #FOAMed https://t.co/tp2IM8a1Nu" / Twitter](https://pbs.twimg.com/media/ChPXxZ4XEAA_yAI.jpg:large)
𝚝𝚑𝚎𝚡𝚛𝚊𝚢𝚍𝚘𝚌𝚝𝚘𝚛) on Twitter: "Answer: Cystic Fibrosis. Signs: diffuse bronchial thickening and dilatation, signet ring sign. #FOAMrad #FOAMed https://t.co/tp2IM8a1Nu" / Twitter
![A, Image of a signet ring. (Image courtesy Wikimedia Commons.) B, Note... | Download Scientific Diagram A, Image of a signet ring. (Image courtesy Wikimedia Commons.) B, Note... | Download Scientific Diagram](https://www.researchgate.net/publication/313820333/figure/fig12/AS:574892090957830@1514076363881/A-Image-of-a-signet-ring-Image-courtesy-Wikimedia-Commons-B-Note-classic-signet.png)
A, Image of a signet ring. (Image courtesy Wikimedia Commons.) B, Note... | Download Scientific Diagram
![Chest imaging using signs, symbols, and naturalistic images: a practical guide for radiologists and non-radiologists | Insights into Imaging | Full Text Chest imaging using signs, symbols, and naturalistic images: a practical guide for radiologists and non-radiologists | Insights into Imaging | Full Text](https://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13244-019-0789-4/MediaObjects/13244_2019_789_Fig30_HTML.png)