题目4单选题
A male patient, 18 years old, has a skin mass on the sacrococcygeal area discovered one day ago, requesting excision of the surface mass. The following treatment is incorrect: ( )A. Thoroughly examine the local skin, observing for any sinusesB. None of the aboveC. Inform the patient that if surgery is performed, there is a high possibility of poor wound healing and infectionD. Palpate the mass to understand its texture, boundaries, mobility, etcE. For surface masses, a rectal examination is not necessary