D04.2 - Carcinoma in situ of skin of ear and external auricular canal D04 - Carcinoma in situ of skin D04.2 - Carcinoma in situ of skin of ear and external auricular canal
D04.20 - Carcinoma in situ of skin of unspecified ear and external auricular canal D04.21 - Carcinoma in situ of skin of right ear and external auricular canal D04.22 - Carcinoma in situ of skin of left ear and external auricular canal