SPENCER SUTTON / SCIENCE PHOTO LIBRARY SPENCER SUTTON / SCIENCE PHOTO LIBRARY
Illustration of a testicular self-examination (TSE). It is recommended that men ages 15-40 perform regular self-examinations to detect lumps or abnormalities of the testicles. Many testicular cancers are discovered by self-examination as a painless lump or an enlarged testicle. In the lower right hand corner the vas deferens, epididymis, and 2 common cancer sites are magnified.
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