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
[{'content': 'Characteristic of chronic eczema ? \nSelect and explain. \nA. Erythema, B. Induration, C. Lichenification, D. Edema', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Lichenification Phase (stage) Clinical features Histology Acute Vesicles a Erythema Edema o Crusts Spongiosis (intracellular edema) Subacute Erythmatous, hyperpigmented plaque Scales & Crusts Parakeratosis Chronic Lichenification Thickening of stratum malpighi", 'role': 'assistant'}]