70 y/o female presents to urgent care with a skin lesion tha…

70 y/o female presents to urgent care with a skin lesion that has progressively worsened over 6 weeks. She reports non-healing wart-like lesion that is painless and has minimal drainage. On assessment, you notice that patient is fair skinned and reports history of increased sun exposure over the past 40 years. She had a diagnosis of acute keratosis last year. What skin condition would you be concerned for?