# Second line treatment options

Source: `R/txseq.R`
`tx_2L.Rd`

Possible second line treatment for EGFR+ NSCLC patients conditional on the first line treatment.

    tx_2L(first)

## Arguments

first | A first line treatment.

## Value

A list of two elements:

pos

  Possible treatments with a T790M mutation.

neg

  Possible treatments without a T790M mutation.

## Examples

    first <- tx_1L()[2]
    print(first)#> [1] "gefitinib"tx_2L(first)#> $pos
    #> [1] "osimertinib"
    #>
    #> $neg
    #> [1] "PBDC"               "PBDC + bevacizumab"
    #>