Variable | Total n (%) | No Recurrence N = 19 (82.6) n (%) | Recurrence N = 4 (17.4) n (%) | p-value* |
Age at diagnosis, years (mean, SD) | 23 | 63.7 (12.2) | 63.4 (8.9) | 0.96 |
Gender | 23 |
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|
|
Male Female | 6 (26.1) 17 (73.9) | 4 (21.1) 15 (79.0) | 2 (50) 2 (50) | 0.27 |
Symptoms at diagnosis | 23 |
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|
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Symptomatic Asymptomatic | 11 (47.8) 12 (52.2) | 9 (47.4) 10 (52.6) | 2 (50) 2 (50) | 0.67 |
Surgical pathology reported: | 23 |
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|
|
Benign Malignant | 15 (65.2) 8 (34.8) | 12 (63.2) 7 (36.8) | 3 (75) 1 (25) | 0.57 |
Tumor size cm (mean, SD, range)** | 21 | 17 | 4 |
|
|
| 8.2 (6.3, 1.2 - 19) | 13.3 (10.6, 3.5 - 27) | 0.21 |
Closest margin (cm) (mean (SD, range)) | 8 | 7 | 1 |
|
|
| 0.79 (0.79, 0.013 - 0.18) | 0.40 (n/a) | - |
Pleural pattern | 23 |
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|
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Visceral Parietal | 20 (87.0) 3 (13.0) | 16 (84.2) 3 (15.8) | 4 (100) 0 | 0.55 |
Tumor Base | 22 |
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|
|
Pedunculated Sessile/inverted | 15 (68.2) 7 (31.8) | 13 (72.2) 5 (27.8) | 2 (50) 2 (50) | 0.38 |
Tumor border | 23 |
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|
|
Poorly defined Well defined | 1 (4.4) 22 (95.7) | 1 (5.3) 18 (94.8) | 0 4 (100) | 0.83 |
Mitoses/10 HPF (mean, SD) | 17 | 15 | 2 |
|
|
| 3.6 (7.8, 0 - 26) | 1.5 (0.71, 1 - 2) | 0.71 |
Mitoses/10 HPF | 21 |
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|
|
<4/10 HPF >4/10 HPF | 16 (76.2) 5 (23.8) | 14 (77.8) 4 (22.2) | 2 (66.7) 1 (33.3) | 0.58 |
Tumor necrosis | 19 |
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|
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Absent Present | 11 (57.9) 8 (42.1) | 9 (60) 6 (40) | 2 (50) 2 (50) | 0.57 |
Tumor hemorrhage | 18 |
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Absent Present | 11 (61.1) 7 (38.9) | 9 (64.3) 5 (35.7) | 2 (50) 2 (50) | 0.52 |
High Cellularity | 21 |
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Absent Present | 14 (66.7) 7 (33.3) | 11 (64.7) 6 (35.3) | 3 (75) 1 (25) | 0.59 |
Nuclear Pleomorphism | 17 |
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|
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Absent Present | 13 (76.5) 4 (23.5) | 10 (76.9) 3 (23.1) | 3 (75) 1 (25) | 0.70 |
Nuclear Crowding | 17 |
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Absent Present | 14 (82.4) 3 (17.7) | 11 (84.6) 2 (15.4) | 3 (75) 1 (25) | 0.58 |
Infiltration of adjacent structures | 21 |
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Absent Present | 18 (85.7) 3 (14.3) | 15 (88.2) 2 (11.8) | 3 (75) 1 (25) | 0.49 |
Encapsulation | 20 |
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Absent Present | 1 (5.0) 19 (95.0) | 1 (6.3) 15 (93.8) | 0 4 (100) | 0.80 |
Tumor contour | 22 |
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Lobulated Smooth | 12 (54.6) 10 (45.5) | 9 (50) 9 (50) | 3 (75) 1 (25) | 0.37 |