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In this episode, Rob and Zach discuss the most important clinical and pathological features of skin cancer, focusing on the three major types—basal cell carcinoma, squamous cell carcinoma, and melanoma.

We begin with basal cell carcinoma (BCC), the most common form of skin cancer, reviewing its typical appearance on sun-exposed areas, local invasiveness, and strong association with chronic UV exposure. Zach explains how to recognize key warning signs, differentiate BCC from other lesions, and understand why it rarely metastasizes despite its aggressive local behavior.

Next, we move to squamous cell carcinoma (SCC), emphasizing its connection to cumulative sun exposure, actinic keratoses, and immunosuppression. We review the classic presentation of a firm, scaly nodule or ulcer with potential for regional spread and discuss the importance of early recognition and biopsy.

The discussion concludes with a focus on melanoma, highlighting its high metastatic potential and the critical importance of early detection. We break down the ABCDE criteria for lesion evaluation, review subtypes such as superficial spreading and nodular melanoma, and explain the prognostic value of Breslow thickness in guiding management.

Each case includes the key risk factors, diagnostic findings, and treatment approaches, along with clinical pearls that reinforce the importance of prevention and early recognition. The episode ties all three cancers together into a unified framework for identifying suspicious lesions, performing timely evaluation, and improving patient outcomes.

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