As she read on, Dr. García's phone rang. Her assistant, Emma, announced that a new patient was waiting in the examination room. Dr. García made her way to the room, where she met a worried-looking woman named María.

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After a series of tests and consultations, Dr. García finally diagnosed María with a rare case of lichen planus, a chronic inflammatory condition that affects the mucous membranes in the mouth. She prescribed treatment and reassured María that with proper care, her symptoms would subside.