Liver Cancer: Radiofrequency Ablation (RFA) Radiofrequency ablation, or RFA, is used primarily to shrink or slow down the growth of hepatocellular carcinoma, and is not considered a curative procedure, although survival rates are good. It is used in liver cancer patients who are not good candidates for surgery.
New service lets you send private messages on Instagram. At a press event in New York on Thursday, Instagram (owned by Facebook) announced a major new feature called Instagram Direct that enables users to send private messages to another user, or up to 15 other users.
On the Web. Every Instagram user has a Web profile at instagram.com/username; this is another way of viewing someone's feed without following the person. As on the mobile app, you can click through on a username in a mention or comment, though the Web interface doesn't offer the ability to search for users. If the user account is protected, you'll see a padlock symbol instead of a photo and video gallery.