| Features | Values | Remarks |
| DGN | A specific combination of ICD-10 codes for primary and secondary as well as multiple tumours | DGN3, DGN2, DGN4, DGN6, DGN5, DGN8, DGN1 | PRE4 | Forced vital capacity (FVC) | Numeric | PRE5 | The volume expelled at the conclusion of the first second of forced expiration | Numeric | PRE6 | Performance status | Zubrod scale (PRZ2, PRZ1, PRZ0) | PRE7 | Pain before surgery | (T, F) | PRE8 | Haemoptysis before surgery | (T, F) | PRE9 | Dyspnoea before surgery | (T, F) | PRE10 | Cough before surgery | (T, F) | PRE11 | Weakness before surgery | (T, F) | PRE14 | T in clinical TNM-size of the original tumour, from OC11 (smallest) to OC14 (largest) | (T, F) | PRE17 | Type 2 diabetes mellitus (DM) | (T, F) | PRE19 | MI up to 6 months | (T, F) | PRE25 | Peripheral arterial diseases (PAD) | (T, F) | PRE30 | Smoking | (T, F) | PRE32 | Asthma | (T, F) | AGE | Age at surgery | Numeric | Risk1Y | 1-year survival period-(T)rue value if died (T, F) | (T, F) |
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