Table I.

Clinical characteristics.

Case	Age (years)	Gender	Site	Symptom	Size (cm)	Initial diagnosis	Initial treatment	Recurrence, DFT (months)	Status	Follow-up (months)
1	36	F	Tonsil, CLN	Oropharyngeal mass, slight dysphagia, 1 month	3.0×2.5×1.5	Non-specific inflammation	Surgery	LR, 6	AWD	15
2	64	F	Parapharyngeal space	Oropharyngeal mass, dysphagia, 12 months	6.0×4.0×3.0	Squamous cell carcinoma	Surgery, ChT	NA	STD	7
3	59	F	Tonsil	Oropharyngeal mass, dysphagia, dyspnea, 2 months	4.5×4.0×2.0	Benign tumor	Surgery	LR, 17	STD	24

F, female; M, male; CLN, cervical lymph nodes; ChT, chemotherapy; RT, radiotherapy; LR, local recurrence; AWD, alive with disease; NED, no evidence of disease; STD, succumbed to disease;

NA, not available.