Figure 4.

PFS information for each ERBB2 20ins patient treated with afatinib.

Notes: Each line represents a patient. The length of each line indicates the period of PFS. Each color presents each 20ins subtype. Solid circle means the time when patient achieved PR and solid triangle indicates the time of SD achievement. P008–P019 are patient ID numbers.

Abbreviations: 20ins, exon 20 insertions; delins, deletion and insertion; dup, duplicate; PD, progressive disease; PFS, progression-free survival; PR, partial response; SD, stable disease.