Mnemonic: CHARTS
C – coal worker pneumoconiosis
H – histiocytosis
A – allergic bronchopulmonary aspergilosis (ABPA), ankylosing spondylitis
R – radiation
T – tuberculosis
S – silicosis, sarcoidosis
C – coal worker pneumoconiosis
H – histiocytosis
A – allergic bronchopulmonary aspergilosis (ABPA), ankylosing spondylitis
R – radiation
T – tuberculosis
S – silicosis, sarcoidosis