<prompt> Which of the following is not a feature of ASBESTOSIS?Pseudotumor of lungPleural plaquesHilar adenopathyBasal fibrosis  <response>: Ans. c Hilar adenopathy Ref.RRM Radiology, 6th ed., p. 463ASBESTOSIS: Radiological featuresPleural changesPulmonary changesAsbestos-related Malignancy Pleural Effusion 21 Focal Pleural Plaques 65 Pleural Calcification Bilateral diaphragmatic calcifications with clear costophrenic angles are PATHOGNOMONIC Diffuse Pleural Thickening Holy leaf pleural calcification The radiological features are similar to those of fibrosing alveolitis. Unlike CWP, UZ are spared even in smokers. Atelectatic Asbestos Pseudotumor Comet tail appearance. The most common of benign masses caused by asbestos exposure Lung Cancer Almost 100-fold T risk in smokers versus a 7-fold T risk in non- smokers. Bronchioloalveolar cell carcinoma most common; Bronchogenic Carcinoma adenocarcinoma squamous cell Malignant Mesothelioma Gastrointestinal Neoplasm Peritoneal mesothilioma Laryngeal carcinoma.Additional Educational points:ILDs 1o affecting Uzs:Mnemonic: UZs E-CLASSILDs 1deg affecting LZs:Mnemonic: LZs - FAIL Extrinsic allergic alveolitis Fibrosing alveolitis Coal workers pneumoconiosis Asbestosis Langerhans disease Interstitial pulmonary edema ABPA, Ankylosing spondylitis Lymphangitis carcinomatosa Sarcoidosis Silicosis 