biopsy of large intestine showed squamous cell carcinoma in situ with questionable stromal invasion
biopsy of large intestine showed squamous cell carcinoma in situ with questionable stromal invasion
biopsy of large intestine showed squamous cell carcinoma in situ with questionable stromal invasion (procedure)
biopsy of large intestine showed squamous cell carcinoma in situ with questionable stromal invasion (procedure)