Hello and welcome to HCM online:
The lumps have cause here for concern except Ohysically they are inconvenient to walk . Theycould be
Lipoma, and other 19 causes have to considered before they are.:-
The following need to be ruled out./
History and examination will rule out actual situation.
Infection
Sebaceous cyst
Ingrown hair follicle (see Hair symptoms)
Fracture
Haematoma
Ganglion
Callus formation
Scar tissue
Ruptured Achilles heel
Lymphadenopathy
Compartment syndrome
Achilles tendonitis
Calcaneal spur
Bursitis
Heel injury
Foot injury
However can you give me detailed account of the history or consult nearest doctor.