<prompt> Metastasis of ca buccal mucosa goes to -Regional lymph nodeLiverHeartBrain  <response>: Tumors in this area have a propensity to spread locally and to metastasize to regional lymphatics.- SchwartzAlso knowLymphatic metastasis of Buccal ca go to submandibular and later upper jugular nodes. - Dhingra 4eMC type of Buccal ca Squamous cell caCommonest site of origin angle of mouth or the line of occlusion of upper and lower teeth Dhingra 