SKIN360AI · SKIN-CANCER GUIDE
Skin Cancer on the Chest and Décolletage: Signs and What To Do
The chest and décolletage catch a lot of sun — here is what to watch for and when to get a spot checked.
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Written & reviewed by Dr Rupinder Singh Walia — MBBS, FRACGP, Dip. Dermatology (Cardiff, UK) · AHPRA MED0001647256 · special interest in skin cancer medicine & dermoscopy
The chest and décolletage catch a surprising amount of sun over a lifetime, making them a common site for sun damage and skin cancer — often alongside harmless age spots and keratoses that can look worrying. If a spot on your chest is worrying you, a doctor can review a photo of it for $49 and tell you whether it needs an in-person look.
What to look for on the chest
The warning signs are the same anywhere on the body — a spot that is new, changing, growing, bleeding, or will not heal, or a mole that stands out from your others. On the chest, watch especially for:
- A scaly or crusty patch that grows or won’t settle.
- A new or changing spot among the sun-damage marks.
- A sore that won’t heal.
The three skin cancers on the chest
- Basal cell carcinoma — a pearly bump or a sore that will not heal (the most common here).
- Squamous cell carcinoma — a scaly, crusty or tender spot that grows.
- Melanoma — a new or changing mole, or one that looks different from your others.
Get a spot reviewed
Upload a photo and Dr Walia reviews it, providing written next-step advice from the submitted photographs, including when an in-person examination is appropriate — $49 flat. Get a spot reviewed. Learn more about skin cancer.
Not a diagnosis; cannot rule cancer in or out. For a full skin check, see your GP or a skin-cancer clinic in person.
Worried about a mole, mark or changing skin area?
Most skin-cancer advice tells you to watch for change. Skin360AI helps you keep photos of one or more spots connected over time. A spot can be a mole, freckle, mark, lump, sore, patch or any skin area you want to watch. It is not a diagnosis and cannot rule skin cancer in or out.
If a lesion is new, changing, bleeding, non-healing or worrying you, arrange an in-person GP or skin-cancer clinic assessment.
Check and watch the spots you care about over time
Use the free AI-assisted skin check to save photos of moles, marks, lumps, sores, patches or other skin areas you want to watch. A photo record is not a diagnosis or a cancer all-clear.
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A structured photo record is not a diagnosis, cannot exclude skin cancer and does not replace an in-person examination.Medically reviewed by
Dr Rupinder Singh Walia (MBBS, FRACGP, Diploma in Dermatology — Cardiff University, UK; AHPRA MED0001647256). Last reviewed August 2026. This information is general and is not a diagnosis; it cannot rule skin cancer in or out. See your GP or a skin-cancer clinic in person for anything that concerns you.