Faces of Nodules Parts Size Shape Position Character 3mm Nodule Bronchocentric Ground Glass Nodule 3mm Nodule Bronchocentric Ground Glass NoduleAshley Davidoff MD TheCommonVein.net 136193 Time Normal Nipples Discoid Atelectasisfrontal Chest Xray of a 55-year-old female shows a region of discoid atelectasis (aka linear atelectasis) in the right lower lung zone. Note bilateral nipplesCourtesy Ashley Davidoff MD TheCommonVein.net 136548 Infection Inflammation Malignancy Mechanical Atelectasis Trauma Metabolic Circulatory- Hemorrhage Immune Infiltrative Idiopathic Iatrogenic