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.
Muni is short for the Municipal in San Francisco Municipal Railway and is not an acronym; thus, when it is written in plain text, only Muni (not MUNI) is correct. The Muni metro is often called the train or the streetcar..