[['district', 'incumbent', 'party', 'first elected', 'result', 'candidates'], ['massachusetts 1', 'john w heselton', 'republican', '1944', 're - elected', 'john w heselton (r) 55.6% john j dwyer (d) 44.4%'], ['massachusetts 3', 'philip philbin', 'democratic', '1942', 're - elected', 'philip philbin (d) unopposed'], ['massachusetts 5', 'edith nourse rogers', 'republican', '1925', 're - elected', 'edith nourse rogers (r) unopposed'], ['massachusetts 7', 'thomas j lane', 'democratic', '1941', 're - elected', 'thomas j lane (d) unopposed'], ['massachusetts 11', "tip o'neill", 'democratic', '1952', 're - elected', "tip o'neill (d) 78.2% charles s bolster (r) 21.8%"]]
3 Election were run without opposition
3 [ENT] were run without opposition