The symptoms of seminoma usually develop in the second to forth decade of life (15-35 years), and start with symptoms such as a painless testicular lump, abnormal semen analysis, possibly an acute onset testicular pain.  Seminoma grows slower than non-seminomatous germ cell tumors.
What are the natural history, potential complications, and prognosis associated with Seminoma?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What are the natural history, potential complications, and prognosis associated with Seminoma? [/INST] \n The symptoms of seminoma usually develop in the second to forth decade of life (15-35 years), and start with symptoms such as a painless testicular lump, abnormal semen analysis, possibly an acute onset testicular pain.  Seminoma grows slower than non-seminomatous germ cell tumors.</s>