TABLE 1.

Patient Characteristics

Characteristic	Data
Number of patients	31
Sex
Male	17
Female	14
Age range (y)	38–83 (median, 68)
Diagnosis	Lung cancer (adenocarcinoma [n = 6] and squamous cell carcinoma [n = 1]), breast cancer (invasive ductal carcinoma [n = 5]), gastric cancer (n = 5), pancreatic cancer (adenocarcinoma [n = 3]), oropharyngeal cancer (n = 1), thyroid cancer (papillary carcinoma [n = 1]), thymic cancer and thymoma (type B3) (n = 3), and benign tumors (n = 6)
Patient status	Before treatment or surgery (n = 27, including after chemotherapy [n = 5] or after chemoradiation therapy [n = 1]); suspected recurrence (n = 4)
Histologic findings of benign tumors	Thymoma (type B1 [n = 2]), granuloma (n = 1), solitary fibrous tumor (n = 1), and postoperative changes (n = 2)