Table 2. Leading symptoms in symptomatic patients categorized by stage.
| Symptoms | ALL, N=200** | I, N=21 | II, N=7 | III, N=60 | IV, N=112 |
|---|---|---|---|---|---|
| Respiratory symptoms, n (%) | |||||
| Cough | 40 (20.0) | 0 (0.00) | 2 (28.6) | 19 (31.7) | 19 (17.0) |
| Dyspnea | 20 (10.0) | 0 (0.00) | 0 (0.00) | 7 (11.7) | 13 (11.6) |
| Hemoptysis | 23 (11.5) | 3 (14.3) | 2 (28.6) | 5 (8.33) | 13 (11.6) |
| Chest pain | 20 (10.0) | 1 (4.76) | 1 (14.3) | 8 (13.3) | 10 (8.93) |
| Exacerbation/respiratory infection | 30 (15.0) | 10 (47.6) | 2 (28.6) | 10 (16.7) | 8 (7.14) |
| Non-respiratory symptoms, n (%) | |||||
| Musculoskeletal pain | 23 (11.5) | 4 (19.0) | 0 (0.00) | 2 (3.33) | 17 (15.2) |
| Dysphagia | 3 (1.50) | 0 (0.00) | 0 (0.00) | 1 (1.67) | 2 (1.79) |
| Neurological deficits | 5 (2.50) | 0 (0.00) | 0 (0.00) | 0 (0.00) | 5 (4.46) |
| Constitutional syndrome | 25 (12.5) | 3 (14.3) | 0 (0.00) | 4 (6.67) | 18 (16.1) |
| Other symptoms* | 11 (5.50) | 0 (0.00) | 0 (0.00) | 4 (6.67) | 7 (6.25) |
*, other symptoms: hoarseness, superior vena cava syndrome, abdominal pain and palpation of subcutaneous lesion; **, from symptomatic patients (n=201), one has missing information about stage.