oropharynx hpv squamous carcinoma cell associated positive proven biopsy nc 
carcinoma cell squamous adenocarcinoma histologically cancer confirmed adenosquamous nasopharyngeal patients 
cavity oropharynx larynx hypopharynx oral squamous carcinoma cell neck histologically 
histology cell small carcinoma mixed squamous adenocarcinoma clear cytology variant 
junction gastroesophageal adenocarcinoma gastric gej esophagus histologically confirmed stomach metastatic 
neck head squamous carcinoma cell histologically confirmed cancer hnscc scchn