A newborn was found to have a 3mm septal defect during a health check-up in the first week of life. Discuss whether surgery is necessary and related treatment methods.

Liver hemangioma is a benign condition. For small hemangiomas, no special treatment is usually required. However, multiple hemangiomas should be treated with caution and the risk of bleeding should be monitored. For relatively large or multiple liver hemangiomas, surgical or interventional treatment may be considered.

Discuss the potential sequelae of congenital heart disease and the recovery situation after interventional treatment.