Basaloid carcinoma of the anus recurrent | Basaloid carcinoma of the anus stage I | Basaloid carcinoma of the anus stage II | Basaloid carcinoma of the anus stage III | Basaloid carcinoma of the anus stage IV | Basaloid carcinoma of the anus stage unspecified | Sq cell Ca anus | Squamous cell carcinoma of the anus recurrent | Squamous cell carcinoma of the anus stage I | Squamous cell carcinoma of the anus stage II | Squamous cell carcinoma of the anus stage III | Squamous cell carcinoma of the anus stage IV | Squamous cell carcinoma of the anus stage unspecified | Anal squamous cell carcinoma | Anal squamous cell carcinoma metastatic | Basaloid squamous cell carcinoma of the anal canal |