Understanding Testicular Cancer -- Symptoms

Medically Reviewed by Zilpah Sheikh, MD on April 12, 2026

The earliest warning signs of testicular cancer usually include:

  • A change in the size or shape of a testicle
  • Swelling or thickening of a testicle
  • A firm, smooth, often painless, slow-growing lump or hardness in a testicle
  • A feeling of heaviness in a testicle

Other symptoms of testicular cancer may include:

You find any sort of unusual lump, nodule, pain, or swelling in either testicle. You should have a thorough physical exam as soon as possible. Remember, testicular cancer is highly curable, especially when caught early.

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