Table 2. Characteristics of lung cancer (n=164).
| Variables | Total population (n=164) | Active lymphoma (n=18) | No active lymphoma (n=146) | P value |
|---|---|---|---|---|
| Age at lung cancer diagnosis | 57±9.7 | 55±9.7 | 57±8.3 | 0.63 |
| ≤59 years | 68 [41] | 7 [39] | 61 [42] | 0.77 |
| 60 to 69 years | 65 [40] | 9 [50] | 56 [38] | 0.37 |
| ≥70 years | 31 [19] | 2 [11] | 29 [20] | 0.76 |
| Latency between lymphoma and lung cancer diagnosis | 8.8±2.1 | 8.3±3.1 | 8.8±4.1 | 0.67 |
| ≤5 years | 34 [21] | 2 [11] | 32 [22] | 0.6 |
| >5 to 10 years | 90 [55] | 10 [56] | 80 [55] | 0.99 |
| >10 to 15 years | 30 [18] | 4 [22] | 26 [18] | 0.7 |
| >15 years | 10 [6] | 2 [11] | 8 [5] | 0.43 |
| Pre-operative morbidity | 81 [49] | 7 [39] | 74 [51] | 0.31 |
| COPD | 19 [12] | 2 [11] | 17 [11.6] | |
| Cardiac disease | 20 [12] | 2 [11] | 18 [12.3] | |
| Vascular disease | 10 [6] | 1 [6] | 9 [6] | |
| Diabetes | 15 [9] | 1 [6] | 14 [10] | |
| Renal failure | 3 [2] | – | 3 [2] | |
| Others | 14 [9] | 1 [6] | 13 [9] | |
| Symptoms at time of lung cancer diagnosis | ||||
| No symptoms | 134 [82] | 15 [83] | 119 [82] | 0.9 |
| Symptoms* | 30 [18] | 3 [17] | 27 [18] | 0.79 |
| Cough | 9 [5] | 3 [2] | 6 [4] | |
| Pneumothorax | 1 [0.6] | – | 1 [0.6] | |
| Hemoptysis | 5 [3] | – | 5 [3] | |
| Pleural effusion | 3 [2] | – | 3 [2] | |
| Chest pain | 10 [6] | 1 [6] | 10 [7] | |
| Dyspnea | 13 [8] | 1 [6] | 13 [9] | |
| Pneumonia | 2 [1] | – | 2 [1] | |
| Histology of lung cancer | ||||
| Adenocarcinoma | 110 [67] | 11 [61] | 99 [68] | 0.52 |
| Squamous cell carcinoma | 42 [26] | 5 [28] | 37 [25] | 0.87 |
| Large cell carcinoma | 12 [7] | 2 [11] | 10 [7] | 0.59 |
| Stage disease (8th edition) | ||||
| IA1 | 40 [24] | 5 [28] | 35 [24] | 0.77 |
| IA2 | 29 [18] | 2 [11] | 27 [18] | 0.4 |
| IA3 | 21 [13] | 2 [11] | 19 [13] | 0.76 |
| IB | 16 [10] | 1 [6] | 15 [10] | 0.47 |
| IIA | 6 [3] | 2 [11] | 4 [3] | 0.07 |
| IIB | 23 [14] | 3 [17] | 20 [14] | 0.79 |
| IIIA | 15 [9] | 2 [11] | 13 [9] | 0.83 |
| IIIB | 3 [2] | 0 | 3 [2] | 0.54 |
| IV | 11 [7] | 1 [6] | 10 [7] | 0.83 |
| Treatment of lung cancer | ||||
| Surgical resection | 145 [88] | 15 [83] | 130 [89] | 0.41 |
| Lobectomy | 114 [78] | 12 [80] | 102 [70] | 0.68 |
| Wedge resection | 10 [7] | 1 [1] | 9 [6] | 0.83 |
| Segmentectomy | 11 [8] | 1 [1] | 10 [7] | 0.76 |
| Bilobectomy | 7 [5] | 1 [1] | 6 [4] | 0.88 |
| Pneumonectomy | 3 [2] | 0 | 3 [2] | 0.54 |
| No resection | 19 [22] | 3 [17] | 16 [11] | 0.54 |
*, some patients presented more than one symptom.