CT Scan in Busan: A Guide for International Patients
Low-Dose CT Screening Explained

Modern screening CT uses a fraction of diagnostic-scan radiation while retaining the sensitivity to catch small lung nodules and quantify coronary calcium — the two highest-value CT screens.
Lung and Coronary CT Options
Low-dose chest CT is the standard for smokers and ex-smokers; coronary calcium CT converts heart-attack risk into a concrete score — see the cardiac page.
Radiation Safety Standards
Screening protocols are dose-optimized and logged; if you screen annually, raise cumulative exposure with the physician — it's a legitimate planning question, not an awkward one.
128 Channels, Screening Dose
Channel count and rotation speed translate to sharper images at lower dose — the two things that matter in screening CT. Smokers and ex-smokers get the low-dose lung protocol; calcium scoring rides the same hardware for the cardiac tiers. Annual screeners should raise cumulative dose with the physician — a legitimate planning question the center will answer directly.
Common Questions
What CT hardware does the IFC use?
A 128-channel MDCT with 0.4-second rotation — high resolution at screening-level dose.
Who should take the lung CT?
Primarily current and former smokers over 50, and others per physician discussion.
How long is the scan?
Seconds — the shortest test of your morning.
CT or MRI — which do I need?
Different jobs: CT for lung and calcium, MRI for brain and soft tissue; the tiers combine them accordingly.