Remember THE SCARS for causes of apical lung fibrosis
T – Tuberculosis
H – Histoplasmosis, Hypersensitivity pneumonitis
E – Extrinsic Allergic Alveolitis
S – Silicosis
C – Coal Workers’ Pneumoconiosis
A – Ankylosing Spondylitis
R – Radiation
S – Sarcoidosis
Check out more visual mnemonics here: