(A–C) Forms of non-small-cell carcinoma (A–C) Forms of non-small-cell carcinoma. Presentations of bronchoalveolar cell carcinoma (a subtype of adenocarcinoma) on chest radiograph includes lobar airspace disease (A) and diffuse ill-defined pulmonary nodules (B). Air-fluid levels are present within a thick-walled cavitary mass in the left lower lobe, which was biopsy-proven squamous-cell carcinoma (C). Source: Chapter 4. Radiology of the Chest, Basic Radiology, 2e Citation: Chen MM, Pope TL, Ott DJ. Basic Radiology, 2e; 2011 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/chen2/chen2_c004f039b.jpg&sec=39669576&BookID=360&ChapterSecID=39669011&imagename= Accessed: September 27, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved