Droplet digital PCR for detection and quantification of circulating tumor DNA in plasma of head and neck cancer patients

Table 1 Summary of patient and tumor characteristics

Patient ID	Sex	Smoking (pack years)	Alcohol (units/day)	Biopsy type	TNM-stage	Tumor site^a	Differentiation grade	Max diameter primary tumor (mm)	Growth type^b	Vascular invasion
P1	M	0	8	Excisional	T4aN1M0	OSCC	Moderate	40	NS	No
P2	M	0	0	Excisional	T4aN2cM0	OSCC	Poor	72	NS	Yes
P3	F	0	0	Excisional	T2N0Mx	OSCC	Moderate	32	Unknown	Yes
P4	M	Unknown	1	Excisional	T4aN2bM0	OSCC	Moderate	46	S	No
P5	M	49	12	Excisional	T4aN1M0	OSCC	Moderate/poor	37	Unknown	No
P6	F	42	2	Incisional	T3N2cM0	OPSCC	Unknown	13	N/A	No

^a OSCC Oral Squamous Cell Carcinoma, OPSCC Oropharyngeal Squamous Cell Carcinoma
^b NS Non Spiculated, S Spiculated

ISSN: 1471-2407