Oncological aspects related to non-surgical treatment of basal cell carcinoma. Comments on: chemotherapeutical treatment of basal cell carcinoma with bleomycin via microinfusion of the drug into the skin (MMP®) - Ivanka Miranda de Castro Martins; Ana Cláudia Cavalcante Espósito; Hélio Amante Miot (Sociedade Brasileira de Dermatologia, 2024)