Hi,Welcome with your query to HCM Virtual Clinic.
Reviewed your query details.You seem to have a
Ganglion Cyst of right Foot.Pain in this lump after heavy work out is due to the friction edema from friction inflammation with surround bony and tendinous parts.
This lump mostly is
Histiocytoma and is a benign hamartomatous
tumor arising from the synovial sheath of the small bone joints of the right foot.
CT guided Arthroscopic
Laser Ablation,is the latest and best treatment option currently,with least recurrence.
So don't worry for it being Cancer.
and is very well treatable lump.
This reply would help you to plan treatment with your doctor.
Contact after 2 weeks time with a Followup Premium question to ME.
Will appreciate your Hitting thanks . Will appreciate review with your excellent review write up comments.
Welcome with any other further query in this regard,if need be.
Good Day!!
Dr.Savaskar,
Senior Surgical Specialist
M.S.Genl-CVTS