Squamous Cell Carcinoma of the Lung with Metastasis to the GI Tract Associated with EGFR Exon 19 Deletion

Table 1

Analysis of tumor samples.

	Location of tumor sample	Presence of EGFR exon 19 deletion (Y/N)
Case 1	Lung, cerebellar, mediastinal lymph nodes from stations 2, 7, 10R, and 4R, and colon	Y in all 7 samples
Case 2	Lung and colon	Y in both samples
Case 3	Sigmoid colon	N