Association between Thyroid Cancer and Breast Cancer: Two Longitudinal Follow-Up Studies Using a National Health Screening Cohort

Round 1

Reviewer 1 Report

The manuscript by Jin et al., is a retrospective study about the association between breast and thyroid cancers. The study was conducted in Korea collecting data obtained from 2002 to 2013, and the result of this analysis highlights a reciprocal positive correlation between these two cancers in females.

Overall, the content of this manuscript is of major interest. In my opinion, the manuscript is written very well, and I do not find any significant incorrectness. My following comments are of minor character.

 

- Line 30 and throughout the text: Please put the reference(s) before the point. For instance here should be …..the US [1]., instead of the US.[1]

- Lines 30-32: Please rephrase this sentence avoiding repetitions. Basically is identical to the previous sentence.

- Line 33: Please delete “female”

- Lines 36-38: Please rephrase this sentence avoiding repetitions. Basically is identical to the previous sentence.

- Lines 44-46: Please rephrase this sentence avoiding repetitions.

- Line 65: You should define the concept of “The hazard ratios (HR)”

- Please check the Reference list. Some references should be fixed

Author Response

Please see the attachment

Author Response File: Author Response.docx

Reviewer 2 Report

The authors found that breast and thyroid cancer have a reciprocal positive association. It is very eye-catching to see that the authors identified the HR of breast cancer in thyroid cancer patients and then the HR of thyroid cancer in breast cancer.

Author Response

Please see the attachment

Author Response File: Author Response.docx