"These are thin lines 1-2 cm in length in the periphery of the lung(s). They are perpendicular to the pleural surface and extend out to it. They represent thickened subpleural interlobular septa and are usually seen at the lung bases."
"Kerley A lines"
"Kerley B lines"
"Kerley C lines"
"Kerley D lines"
"Pneumocystis pneumonia"
"Pneumocystis pneumonia"
Expected headings
"Kerley A lines"
"Kerley B lines"
"Kerley C lines"
"Kerley D lines"