From: Characteristics and outcomes of anterior mediastinal cystic lesions diagnosed on chest MRI: implications for management of cystic lesions
≥ 2 year follow-up (n = 91)
≥ 5 year follow-up (n = 26)
Unchanged
36 (39.6)
3 (11.5)
Decreased
15 (16.5)
5 (19.2)
Fluctuateda
8 (8.8)
7 (26.9)
Increased
32 (35.2)
11 (42.3)
Size increase → Surgical resection
6 (6.6)
1 (3.8)