GLAD association heatmap. Color‐coded pivot table of all associations observed in the GLAD cohort. Colors represent the direction and probability of observed associations and letters the statistical method employed to detect them. n, sample size; FVC, forced vital capacity; FEV
1, forced expiratory volume in 1 seconds; DLCO, uncorrected lung diffusion capacity for carbon monoxide; VA, alveolar ventilation; COPD, chronic obstructive pulmonary disease; GOLD, global initiative for chronic obstructive lung disease; TNM, tumor‐node‐metastasis staging system; c, clinical; p, pathologic; EGFR, epidermal growth factor receptor; KRAS, V‐Ki‐ras2 Kirsten rat sarcoma viral oncogene homolog; BRAF, v‐Raf murine sarcoma viral oncogene homolog B; EML4, echinoderm microtubule associated protein like 4; ALK, anaplastic lymphoma kinase