biopsy of oropharynx showed squamous cell small cell, nonkeratinizing carcinoma
biopsy of oropharynx showed squamous cell small cell, nonkeratinizing carcinoma
biopsy of oropharynx showed squamous cell small cell, nonkeratinizing carcinoma (procedure)
biopsy of oropharynx showed squamous cell small cell, nonkeratinizing carcinoma (procedure)