Table 1. Demography of patients with tobacco habits and histopathological observations (n = 27).

Patient ID	Age (years)	Sex	Habit			Histopathological subtype		Tumor Size
			Tobacco smoking	Tobacco chewing	Alcohol consumption	Tumor	Leukoplakia
RADS2	53	M	Y	Y	-	MDSCC	MILD DYSPLASIA	T2
RADS3	41	F	-	Y	-	WDSCC	MODERATE DYSPLASIA	T1
RADS4	32	M	-	Y	Y	WDSCC	MILD DYSPLASIA	T4a
RADS5	50	F	-	Y	-	WDSCC	MILD DYSPLASIA	T4a
RADS6	60	M	Y	-	-	WDSCC	MODERATE DYSPLASIA	T1
RADS7	65	M	Y	-	Y	WDSCC	MODERATE DYSPLASIA	T2
RADS8	54	M	Y	-	-	WDSCC	MODERATE DYSPLASIA	T4a
RADS10	65	M	-	Y	Y	WDSCC	MODERATE DYSPLASIA	T4a
RADS13	48	F	-	Y	-	WDSCC	MILD DYSPLASIA	T4a
RADS17	53	M	Y	Y	-	WDSCC	MILD DYSPLASIA	T4a
RADS18	58	M	Y	Y	-	WDSCC	MILD DYSPLASIA	T4a
RADS19	41	M	-	Y	-	WDSCC	SEVERE DYSPLASIA	T4a
RADS23	45	M	-	Y	Y	WDSCC	MILD DYSPLASIA	T4a
RADS27	50	M	Y	Y	-	WDSCC	MILD DYSPLASIA	T4a
RADS28	55	M	Y	Y	-	WDSCC	SEVERE DYSPLASIA	T4a
RADS29	36	M	-	Y	-	WDSCC	MODERATE DYSPLASIA	T1
RADS33	45	F	-	Y	-	WDSCC	SEVERE DYSPLASIA	T2
RADS34	65	M	-	Y	-	WDSCC	MILD DYSPLASIA	T3
RADS36	39	M	Y	Y	-	WDSCC	MILD DYSPLASIA	T4a
RADS37	55	M	-	Y	-	WDSCC	MILD DYSPLASIA	T1
RADS39	45	F	-	Y	-	WDSCC	MODERATE DYSPLASIA	T1
RADS40	47	M	-	Y	-	WDSCC	MODERATE DYSPLASIA	T1
RADS42	53	M	Y	-	Y	WDSCC	MODERATE DYSPLASIA	T1
RADS43	70	M	-	Y	-	WDSCC	MODERATE DYSPLASIA	T4a
RADS45	60	M	Y	Y	-	WDSCC	MODERATE DYSPLASIA	T1
RADS47	65	F	-	Y	-	WDSCC	MILD DYSPLASIA	T4a
RAD52	61	M	-	Y	-	WDSCC	MILD DYSPLASIA	T1

[MDSCC and WDSCC: moderately and well differentiated squamous cell carcinoma;

M—Male; F—Female; Y—Yes]