Nevada Radiation Therapy Management Services S-4 Registration of securities issued in business combination transactions

Exhibit 12.1

Statement Regarding Computation of Ratio of Earnings to Fixed Charges(1)

Radiation Therapy Services Holdings, Inc.

	Predecessor											Successor
	Year Ended December 31,					Period FromJanuary 1 toFebruary 21,		Period FromFebruary 22 toDecember 31,		Combined Year EndedDecember 31,		Year EndedDecember 31,		Nine Months EndedSeptember 30,
	2005	2006		2007		2008		2008		2008		2009		2010
Pre-tax income before adjustment for noncontrolling interests in consolidated subsidiaries	40,121	49,886		42,644		(10,283	)	(4,266	)	(14,549	)	(6,713	)	(17,646	)
(Income) Loss from equity investees	468	128		46		(39	)	118		79		(880	)	(684	)
Distributed income of equity investees	235	—		—		—		—		—		301		451
Noncontrolling interest in pre-tax income of subsidiaries that have not incurred fixed charges	—	(580	)	(1,211	)	(19	)	(2,483	)	(2,502	)	(1,835	)	(1,657	)
Fixed Charges	7,889	13,376		21,298		4,981		57,070		62,051		65,137		47,494
Earnings	48,713	62,810		62,777		(5,360	)	50,439		45,079		56,010		27,958
Interest expense	7,231	12,570		20,250		4,783		55,863		60,646		63,119		45,055
An estimate of the interest within rental expense	658	806		1,048		198		1,207		1,405		2,018		2,439
Fixed Charges	7,889	13,376		21,298		4,981		57,070		62,051		65,137		47,494
Ratio of earnings to fixed charges	6.17	4.70		2.95		—		—		—		—		—
Deficiency to cover fixed charges(2)	—	—		—		10,341		6,631		16,972		9,128		19,536

(1)For purposes of computing the ratio of earnings to fixed charges, earnings consist of income (loss) before provision for income taxes plus fixed charges.  Fixed charges consist of interest expense on all indebtedness including amortization of deferred financing costs and the portion of operating lease rental expense that is representative of the interest factor.

(2)Coverage deficiency represents the amount by which earnings were insufficient to cover fixed charges.