I.b I - Interstitial/parenchymal lung disease
I.b - Pneumonitis (ILD) I.ak I - Interstitial/parenchymal lung disease
I.ak - Pleuropneumonitis V.a V - Pleural and/or pericardial involvement
V.a - Pleural effusion (uni- or bilateral) (can accompany DI-LDs) V.b V - Pleural and/or pericardial involvement
V.b - Eosinophilic pleural effusion V.c V - Pleural and/or pericardial involvement
V.c - Pleural thickening V.m V - Pleural and/or pericardial involvement
V.m - Pleuropericarditis - Pleuropericardial effusion (ANA unknown or negative) VII.d VII - Mediastinal involvement
VII.d - Fibrosing mediastinitis XII.b XII - Cardiovascular involvement / toxicity
XII.b - Valvular heart disease and/or dysfunction XII.f XII - Cardiovascular involvement / toxicity
XII.f - Cardiomyopathy (acute, subacute, chronic)

I.b I - Interstitial/parenchymal lung disease
I.b - Pneumonitis (ILD) I.d I - Interstitial/parenchymal lung disease
I.d - Organizing pneumonia pattern (an area or areas of consolidation on imaging) I.ak I - Interstitial/parenchymal lung disease
I.ak - Pleuropneumonitis IV.a IV - Airway involvement
IV.a - Bronchospasm - Wheezing - Asthma V.a V - Pleural and/or pericardial involvement
V.a - Pleural effusion (uni- or bilateral) (can accompany DI-LDs) V.c V - Pleural and/or pericardial involvement
V.c - Pleural thickening V.h V - Pleural and/or pericardial involvement
V.h - Chylothorax V.m V - Pleural and/or pericardial involvement
V.m - Pleuropericarditis - Pleuropericardial effusion (ANA unknown or negative) V.o V - Pleural and/or pericardial involvement
V.o - The 'folded lung' (Blesovsky syndrome) VII.d VII - Mediastinal involvement
VII.d - Fibrosing mediastinitis XI.u XI - Miscellaneous
XI.u - Chest pressure/discomfort XI.aq XI - Miscellaneous
XI.aq - Retroperitoneal fibrosis XII.a XII - Cardiovascular involvement / toxicity
XII.a - Left or biventricular dysfunction/failure XII.b XII - Cardiovascular involvement / toxicity
XII.b - Valvular heart disease and/or dysfunction XII.c XII - Cardiovascular involvement / toxicity
XII.c - Pericardial effusion (w/wo tamponade) XII.g XII - Cardiovascular involvement / toxicity
XII.g - Coronary artery disease (acute) - Myocardial ischemia/infarction XV.ao XV - Pathology
XV.ao - Path: Pleuritis, pleural fibrosis XVI.an XVI - Imaging
XVI.an - Imaging: Pleural effusion XVI.ap XVI - Imaging
XVI.ap - Imaging: Pleural thickening w/wo rounded atelectasis