<prompt> Which of the following is not true about testicular tumor?About 95 are embryonal tumors10 are bilateralPulmonary metastases suggest that the tumor is teratomaLymphatic spread is to retroperitoneal and intrathoracic lymph nodes  <response>: About 95 of testicular tumours are Germ cell tumours. Embryonal carcinoma is a type of non seminomatous germ cell tumour. Pure embryonal carcinoma constitutes 30 of germ cell tumours but areas of embryonal carcinoma are present in about 40 of germ cell tumours. Teratomas spreads mainly through blood to lungs, liver, brain etc , less commonly through lymphatics.Lymphatic spread occurs to retroperitoneal, para-aoic, mediastinal and left supraclavicular nodes.Reference : page 1083 SRBs manual of surgery 5th edition and page 708 textbook of pathology Harshmohan 6th edition 