Post-PCI of the LMCA. IVUS of the LMCA after PCI with a 3.5 × 15 mm Resolute Onyx DES which dilated with a 4.0 mm noncompliant balloon. The minimal luminal area measures to 13 mm2. The CFX guidewire is just emerging into the LMCA lumen at 9 o’clock, which suggests that this image is in the distal LMCA. PCI: percutaneous coronary intervention. CFX: Left Circumflex Artery.