Mohs Surgery Combind With Cryotherapy for Eyelid Malignant Tumors.

Inclusion Criteria: * Ability to provide written informed consent and comply with study assessments for the full duration of this study. * Definite pathology signs of eyelid basal cell carcinoma, squamous cell carcinoma and sebacous carcinoma, Stage Tis to T3CN0M0 based on American Joint Committee on Cancer. * Pathological examination showed the primary tumor was compeletely resected Exclusion Criteria: * Any previous treatment in the study eye * Tumor complicated with infection * Any other tumors of the paticipants * Intolerate of surgery or anesthesia