小宝宝肚子上这是长了个啥

靠近丁丁位置，以前也没注意过，今天刚发现，摸上去的时候它没反应，一岁大已入宫的公猫
[img]https://img.nga.178.com/attachments/mon_202107/08/-7knvQ2o-3wlrZ2lT3cSzk-qo.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202107/08/-7knvQ2o-81t9Z2mT3cSzk-qo.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202107/08/-7knvQ2o-e7m2Z2lT3cSqo-zk.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202107/08/-7knvQ2o-lenwZ2pT3cSqo-zk.jpg.medium.jpg[/img]