Bydirect medical costs had risen to an estimated A disproportionate amount — 45 percent — is spent in the United States. There is a large range in the cost of individual chemotherapy treatment, as drugs differ significantly in their muchh and necessary duration of treatment. While the drugs can be the largest part of the cost, there are other expenses like hospital charges, travel, cosmetic items, or loss of work. Another finding was that the trwatments of chemotherapy treatment fluctuates significantly from year to year as new drugs are introduced. A study ofpersons aged 65 and older diagnosed with off, lung, colorectal, or prostate cancer between and found that the use of chemotherapy drugs increased markedly during this time. It is expected to account for about 30 percent of its product pipeline and 25 percent of pharmaceutical-industry revenue by
