Primary Cases. The primary cases were as follows: 1 mandibular lymph node biopsy from a 12-yr-old female patient, primary diagnosis of nodular sclerosing HL; 2 axillary lymph node biopsy from a 20-yr-old male patient, primary diagnosis of nodular sclerosing HL; 3 supraclavicular lymph node biopsy from a 35-yr-old male patient, primary diagnosis of nodular sclerosing HL; 4 cervical lymph node biopsy from a 29-yr-old male patient, relapsed mixed cellularity HL, primary diagnosis was 3 yr prior; and 5 abdominal lymph node biopsy from a 36-yr-old male patient, primary diagnosis of mixed cellularity HL.