Table 1.

Various case reports of spontaneous regression of squamous cell carcinoma lung

Authors	Histologic type	Smoking status	TNM stage	Involvement of other organ	Possible cause of SR	Year of publication	Place of study
Sperduto et al.[4]	Squamous cell	Yes	T1N2M1	Adrenals	Not specified	1988	England
Liang et al.[5]	Squamous cell	N/A	T2N2M0	None	Herbs	2004	China
Pujol et al.[6]	Squamous cell	Yes	N/A	Brain	Anti Hu Ab	2007	France
Gladwish et al.[7]	Squamous cell	Yes	T2N3M0	Breast carcinoma	Herbal remedy Essiac	2010	Canada
Furukawa et al.[8]	Squamous cell	Yes	T1N0M0	None	Not specified	2011	Japan
Choi et al.[9]	Squamous cell	N/A	N/A	None	Immune system alteration secondary to infection (TB)	2013	South Korea
Park et al.[10]	Squamous cell	N/A	T4N2M1	Breast metastasis	Korean ginseng	2016	South Korea
Esplin et al.[11]	Squamous cell	Yes	T1N0M0	None	Not specified	2018	USA
Ariza-Prota et al.[12]	Squamous cell	Yes	T3N3M1	Skin	Not specified	2018	Spain

N/A: Not available, TB: Tuberculosis, SR: Spontaneous regression, TNM: Tumor-nodes-metastasis