SLIDE TRAY #4

INFLAMMATION

X-RAY: Interstitial edema (secondary to heart failure). PA chest film. Bilateral central distribution of interstitial linear lattice pattern with small nodular lesions and ill-defined enlarged hilar shadow. Septal lines (Kerley's lines) especially the Kerley's B-line may appear (multiple 1-2 cm horizontal lines above the lateral costophrenic angles).