Breast

Question 1

arterial supply of breasts

Answer 1

• perforating branches of
  internal thoracic artery + intercostal arteries
• axillary artery via lateral thoracic and thoracoacromial branches

Question 2

venous drainage

Answer 2

• mainly to axillary vein
• some to internal thoracic vein

Question 3

lymphatic drainage of lateral/superior quadrants

Answer 3

ant. and post axillary lymph nodes -> central and lateral -> apical -> supraclavicular nodes -> subclavian lymph trunk

Question 4

lymphatic drainage of medial quadrants of breasts

Answer 4

internal mammary + parasternal lymph nodes -> broncho-mediastinal trunk