(n) A regional or social variety of a language distinguished by pronunciation, grammar, or vocabulary, especially a variety of speech differing from the standard literary language or speech pattern of the culture in which it exists: Cockney is a dialect of English.
There was a 4 mm nodular opacity in the right lower lung. A ct scan of 10/06 showed linear scarring in both lungs but no mention of nodules. A chest xray in 4/2007 showed a round density in the right perihilar region.
Pulmonary nodules are small, focal, radiographic opacities that may be solitary or multiple. A classic solitary pulmonary nodule (SPN) is a single, spherical, well-circumscribed, radiographic opacity measuring less than or equal to 30 mm in diameter and is surrounded completely by aerated lung.