Volume 111, Issue 2, Pages 522-523 (February 1997) Usefulness of Collecting Routine Cytologic Specimens During Fiberoptic Bronchoscopy for Endoscopically Visible and Nonvisible Lung Carcinoma  Chi Hung Chau, MBBS, Wing Wai Yew, MBBS, FCCP, Poon Chuen Wong, MBBS, FCCP, Joseph Lee, MBBS, FCCP, Chi Fong Wong, MBBS, FCCP  CHEST  Volume 111, Issue 2, Pages 522-523 (February 1997) DOI: 10.1378/chest.111.2.522 Copyright © 1997 The American College of Chest Physicians Terms and Conditions

Figure 1 Percentages of positive results from each diagnostic technique for endoscopically nonvisible lung carcinoma. Investigators: left, present study; center, Mak et al;2 right, Lam et al.3 Total number of endoscopically nonvisible lung carcinoma diagnosed by fiberoptic bronchoscopy: left (n=116); center (n=35); right (n=133). CHEST 1997 111, 522-523DOI: (10.1378/chest.111.2.522) Copyright © 1997 The American College of Chest Physicians Terms and Conditions