Tan Boon Chiew Tan Boon Chiew is a senior radiographer with 15 years of experience at Sarawak General Hospital, specializing in general radiography, CT scans, fluoroscopy, angiography, and interventional radiology. Since joining in 2009, he has developed expertise in these areas, beginning with fluoroscopy and angiography in late 2009, and interventional radiology in mid-2010. By 2013, he was also proficient in CT scans. He serves as a trainer for new radiographers and is a super user and trainer for the Philips Azurion 7 and Canon Alphenix Sky angiography machines. Tan has also been a guest speaker at medical forums and is a visiting radiographer for Sarawak, providing support in interventional radiology cases across the state. Malaysia