What are the symptoms of merkel cell cancer?

Painless skinnodule: Rare lethal skin cancer, rapidly spreads appear as painless fleshy skin nodule, in elderly, and in immuno suppressed individuals, arises from neuro endocrine cells of skin, resemble small cell cancers of lung by microscope..

Appearance : Most merkel cell cancers are reddish enlarging nodules on the skin, often on the head and neck but possibly anywhere. They usually don't cause any significant symptoms.