Table 1.

Reports of spontaneous HCC regression with description of inciting event

Systemic inflammatory response
Heianna et al.45	Regression of lung metastases after TACE of a primary lesion
Ohta et al.42	Regression after cholangitis, complete necrosis on biopsy
Randolph et al.43	Regression after febrile illness with rigors
Blondon et al.38	Regression after capsular rupture
Takeura et al.51	Regression after trauma with multiple bone fractures
Huz et al.50	Biopsy of regressed tumour site demonstrating chronic inflammatory infiltrate
Tumour hypoxia
Alqutub et al.16	Regression after occlusive thrombus of the right portal vein
Kondo et al.20	Variceal bleeding with prolonged systemic hypotension
Morimoto et al.22	Biopsy of the regressed tumour site demonstrating organized hepatic arterial thrombi
Suzuki et al.35	Regression after angiospasm observed during angiography