In this article. A solitary pulmonary nodule (SPN) is a single abnormality in the lung that is smaller than 3 cm in diameter. Generally, a pulmonary nodule must grow to at least 1 cm in diameter before it can be seen on a chest X-ray.
The name Mu is of Chinese origin. The meaning of Mu is wood. Mu is used as both a boys and girls name. It consists of 2 letters and 1 syllable and is pronounced Mu.
â¢ MB (noun) The noun MB has 2 senses: 1. a unit of information equal to one million (1,048,576) bytes. 2. (a British degree) a bachelor's degree in medicine. Familiarity information: MB used as a noun is rare.