WRadiologic sign
WAir crescent sign
WChondrocalcinosis
WCrazy paving (medicine)
WCupola sign
WDeep sulcus sign
WDense artery sign
WDouble bubble (radiology)
WGround-glass opacity
WHampton hump
WHilum overlay sign
WHot nose sign
WMediastinal shift
WNotching of the ribs
WPeribronchial cuffing
WPneumatosis intestinalis
WPulmonary consolidation
WRing-enhancing lesion
WSilhouette sign
WSteeple sign
WTerry Thomas sign
WThumbprint sign
WTree-in-bud sign