Tumour heterogeneity articles from across Nature Portfolio Tumour heterogeneity describes differences between tumours of the same type in different patients, and between cancer cells within a ...

Learn how high-intensity focused ultrasound (HIFU) can help some men with prostate cancer avoid surgery or radiation.

Lumps in the testicle can be a sign of an underlying condition such as testicular torsion and testicular cancer. Learn more here.

Watery semen may indicate an underlying condition. Here are four possible causes for watery semen and your treatment options.