Laboratory examinations
The immunohistochemistry results of mediastina mass in December 2019 showed CD15 +, CD30 +, CD3 -, LCA -, CD20 +, PLAP -, PAX-5 + (weak), TDT -, CD5 -, Ki-67 (60 %). The lab values of routine blood, urine, and stool tests were within normal range.