My neighbour uncle had swelling for past 30 days... He said that he got stuck nails in cheek side ..due to which it is developed...it has growth like and swelling ...under neck also swelling there...no habits ..only cigarette that too was dropped before 1 yr...since covid situation he cant make to clinic since he is frm village... There is also restricted mouth opening..pain is also there.. looking like cancerous growth or infection? What can do now in home?