This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
Which of the following is not a feature of rosacea? 
Select and explain. 
A. Flushing, B. Telangiectasia, C. Mucosal ulcerations, D. Rhinophyma
C: Mucosal ulcerations
Answer: C: Mucosal ulcerations 
Explanation: Rosacea is a chronic disease affecting fair skinned middle aged adults characterised by flushing and telangiectasia in early stage, papules and pustules in inflammatory stage, papules and induction and rhinophyma in chronic stage. Ref: Rook textbook of Dermatology, 8th edition, Page : 43.1-3