C44.2 - Other and unspecified malignant neoplasm of skin of ear and external auricular canal
C44.22 - Squamous cell carcinoma of skin of ear and external auricular canal
C44.221 - Squamous cell carcinoma of skin of unspecified ear and external auricular canal
C44.222 - Squamous cell carcinoma of skin of right ear and external auricular canal
C44.229 - Squamous cell carcinoma of skin of left ear and external auricular canal