Testicular tumors: epidemiological major type? malignant? which tumors metastasize to testicle? presents as? screening? risk factors?
A. Seminoma; yes; prostate cancer; painless mass; regular self-exams; family history
B. Non-seminoma; no; lung cancer; painful swelling; routine physicals; smoking
C. Leydig cell tumor; sometimes; colon cancer; testicular pain; ultrasound; age
D. Sertoli cell tumor; rarely; breast cancer; lump in scrotum; blood tests; genetic predisposition