Hi, Thanks for query to My HCM virtual Clinic.
I studied all details of your query.
Your query information is insufficient to comment on whether its cancer or not.
In this background I would suggest to consult Surgeon,who would be the right consultant to check and opine about the suspected lump near left nipple and who would treat it properly.If need be he may do FNAC
biopsy to fix the cause of your chest lump.
In My Opinion you seem to have problem of Confusion and obsession-
anxiety of having cancer,and hence the over handling of your so called lump,(which could be Sebaceous
Cyst or a normal fat lump) is giving you lump and the pain in the ribs under the suspected lump.
Hence
Second opinion from Surgeon would remove your worry.
Hope this satisfies your query.
Don't forget to hit thanks and write excellent review comments to help needy visitors at HCM.
Welcome for any further query in this regards.
Dr.Savaskar M.N.
M.S.Genl- CVTS.
Senior Surgical Specialist.