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Patient Profile: Male, age 32
Chief concern: Bad breath and soreness in lower left jaw area
Medical history: Smoker
Dental history: Last appointment 5 years ago
Supplemental History: Intraoral examination shows pericoronal inflammation around a partially erupted permanent mandibular left third molar, and the patient presents with halitosis and coated tongue.  
Lymph nodes drain the site of the oral infection
What are the Submandibular nodes