Oesophagogastroduodenoscopy findings a protruding-type tumor was detected in the middle third of the thoracic oesophagus. Pathological examination of biopsy specimens indicated squamous cell carcinoma. Surgical resection and chemoradiotherapy for metachronous pulmonary metastasis of basaloid squamous cell carcinoma of the oesophagus. Ishida H, Nakano T, Fujishima F, Kamei T, Taniyama Y, Sakurai T, Sato C, Fukutomi T, Kamiya K, Ozawa Y, Sasano H, Ohuchi N - International journal of surgery case reports (2015). Not Altered. CC.